News Articles for Earth

	June 13, 2013 Warm Ocean Causing Most Antarctic Ice Shelf Mass Loss Ocean waters melting the undersides of Antarctic ice shelves are responsible for most of the continent's ice shelf mass loss, a new study by NASA and university researchers has found. Read more

	June 10, 2013 Is a Sleeping Climate Giant Stirring in the Arctic? Frozen Arctic soils hold vast stores of carbon that may exacerbate global warming. A NASA Arctic campaign is looking for signals that may hold a key to Earth's climate future. Read more

	June 7, 2013 Hidden Wildfires Taking Big Toll on Amazon Rainforest A pair of new studies using NASA satellite data shed light on a previously hidden type of Amazon forest wildfire and links between climate conditions and Amazon fire risk. Read more

	June 6, 2013 NASA to Study How Pollution, Storms and Climate Mix NASA will take to the southern U.S. skies this summer to study how pollution and natural emissions pushed high into the atmosphere by storms affect the atmosphere and climate. Read more

	June 5, 2013 NASA Spacecraft Sees Tornado's Destructive Swath The massive tornado that devastated portions of Moore, Okla. and surrounding areas on May 20 scarred the landscape for miles, as seen in a new NASA spacecraft image. Read more

	May 29, 2013 NASA Research Aircraft to Double-Team 2013 Hurricanes A pair of unmanned NASA aircraft will take to the skies later this summer during the peak of the Atlantic hurricane season to study what makes hurricanes form and strengthen. Read more

	May 24, 2013 Century-Old Science Helps Confirm Global Warming Data from a British high-seas scientific expedition in the 1870s have provided further confirmation of human-produced global warming over the past century. Read more

	May 22, 2013 NASA Ships Sensors for Seafaring Satellite to France NASA's instruments for the next in a series of missions to chart sea level and improve weather, climate and ocean forecasts have shipped overseas for spacecraft integration. Read more

	May 16, 2013 NASA Helps Pinpoint Glaciers' Role in Sea Level Rise A new study of glaciers worldwide from two NASA satellites has helped resolve differences in estimates of how fast glaciers are disappearing and contributing to sea level rise. Read more

	May 13, 2013 Satellites See Double Jeopardy for SoCal Fire Season New insights into two factors that are creating a potentially volatile Southern California wildfire season come from an ongoing project using NASA and Indian satellite data. Read more

	May 2, 2013 NASA Opens New Era in Measuring Western U.S. Snowpack A new NASA airborne mission is producing the most accurate measurements to date of how much water is in the snowpack of two mountain watersheds in California and Colorado. Read more

	April 22, 2013 NASA's HyspIRI Sees the Forest for the Trees and More As the world celebrates Earth Day 2013, a NASA airborne campaign is busy studying California's ecosystems in a whole new light in preparation for a future satellite mission. Read more

	April 3, 2013 NASA Flies Radar South on Wide-Ranging Expedition A versatile NASA airborne imaging radar system is showcasing its broad scientific prowess for studying our home planet during a month-long expedition over the Americas. Read more

	April 1, 2013 NASA Sends Unmanned Aircraft to Study Volcanic Plume Like bees buzzing around a hive, three unmanned aircraft were sent by NASA into a Costa Rican volcano's plume last month to study its chemical environment. Read more

	March 22, 2013 JPL Scientists Reflect on World Water Day On World Water Day (March 22), JPL scientists involved in water-related research reflect on the importance of freshwater. Read more

	February 28, 2013 What Lies Beneath: NASA Antarctic Sub Goes Subglacial A mini-submarine designed and funded by NASA played a key role in a recent international expedition to explore a remote subglacial lake beneath the frozen Antarctic ice sheet. Read more

	February 27, 2013 NASA's Aquarius Sees Salty Shifts The seasonal stirrings of our salty world are revealed by the first full year of ocean surface salinity data captured by NASA's Aquarius instrument. Read more

	February 13, 2013 Study Sheds New Light on Arctic Sea Ice Volume Losses New research by scientists from NASA and other agencies shows Arctic sea ice volume declined 36 percent in the autumn and nine percent in the winter over the last decade. Read more

	February 12, 2013 NASA Satellites Find Freshwater Losses in Middle East A new study from a pair of gravity-measuring NASA satellites finds that large parts of the arid Middle East region lost freshwater reserves rapidly during the past decade. Read more

	February 6, 2013 Pacific Locked in 'La Nada' Limbo Sea-surface height data from NASA's Jason-2 satellite show that the equatorial Pacific Ocean is still locked in what some call a neutral, or 'La Nada' state. Read more

	January 29, 2013 NASA to Launch Ocean Wind Monitor to Space Station An ocean wind monitoring instrument created from hardware used to tests parts of NASA's QuikScat satellite will launch to the International Space Station in 2014. Read more

	January 17, 2013 Study Finds Severe Climate Jeopardizing Amazon Forest An area of the Amazon rainforest twice the size of California continues to suffer from the effects of a megadrought that began in 2005, finds a new NASA-led study. Read more

	January 16, 2013 NASA Ozone Study May Benefit Air Standards, Climate A new NASA-led study finds that when it comes to combating global warming caused by emissions of ozone-forming chemicals, location matters. Read more

	December 3, 2012 Scientists Find Ancient Microbes in Antarctic Lake Scientists from NASA and other institutions have found bacteria beneath the icy surface of a remote Antarctic lake, expanding our knowledge of life in extreme environments. Read more

	November 29, 2012 Ice Sheet Loss at Both Poles Increasing, Study Finds An international team of experts has combined satellite and aircraft data to produce the most comprehensive assessment to date of ice sheet losses in Greenland and Antarctica. Read more

	November 28, 2012 NASA Study Could Improve Hurricane Strength Forecasts Forecasters could be able to predict how intense tropical cyclones like Hurricane Sandy will be by analyzing relative-humidity levels within their large-scale environments. Read more

	November 19, 2012 What Goes Down Must Come Back Up In 2010-11, global sea level fell nearly a quarter inch. But, when it comes to long-term sea level, what comes down must eventually come back up. Read more

	November 12, 2012 NASA Study Examines Antarctic Sea Ice Increases While Arctic sea ice cover is declining dramatically under the effects of climate change, Antarctic sea ice cover has increased in recent years. A new study examines why. Read more

	November 8, 2012 Climate Likely to Be on Hotter Side of Projections A new NASA-funded study finds future warming of Earth's climate is likely to be on the high side of current projections. Read more

	November 1, 2012 NASA Maps How Nutrients Affect Plant Productivity A new analysis led by NASA's Jet Propulsion Laboratory has estimated how much the growth of plants worldwide is limited by the amount of nutrients available in their soil. Read more

	October 29, 2012 NASA Satellites Watch Hurricane Sandy NASA satellites are observing extremely dangerous and historic Hurricane Sandy as it moves into the northeastern U.S. Read more

	October 25, 2012 NASA Radar Penetrates Thick, Thin of Gulf Oil Spill Researchers at JPL and Caltech have developed a method to use a specialized NASA 3-D imaging radar to characterize the oil in oil spills like the 2010 BP Deepwater Horizon spill. Read more

	October 18, 2012 JPL Scientists Participate in ShakeOut Exercises Two JPL-developed projects designed to assist in response to earthquake disasters participated in exercises tied to today's Great California ShakeOut quake drill. Read more

	October 17, 2012 Could a Hurricane Ever Strike Southern California? California has its share of disasters, like earthquakes, fires and floods. But what are the odds a hurricane could ever strike here? Turns out the concept isn't exactly all wet. Read more

	October 2, 2012 NASA Radar to Study Volcanoes in Alaska, Japan A NASA's venerable Uninhabited Aerial Vehicle Synthetic Aperture Radar is off to Alaska and Japan to assess volcanic activity in several active volcanoes. Read more

	September 26, 2012 Study Examines Forest Vulnerability to Climate Change Mid-elevation forests between 6,500 to 8,000 feet elevation are most sensitive to climate change, finds a new University of Colorado Boulder-led study co-funded by NASA. Read more

	September 20, 2012 QuakeSim and NASA Mobile App Win NASA Software Award NASA software that models the behavior of earthquake faults and NASA's first mobile application are co-winners of NASA's 2012 Software of the Year Award. Read more

	September 10, 2012 NASA's 'Earth Now'App Now Available for Android One of the top iPhone education apps in the iTunes store is now available for Android. Read more

	September 7, 2012 NASA's Global Hawk Hurricane Mission Kicks Off NASA has begun its latest hurricane science field campaign by flying an unmanned Global Hawk aircraft over Hurricane Leslie in the Atlantic Ocean during a day-long flight that began in California and ended in Virginia. Read more

	September 5, 2012 NASA to Explore Link Between Sea Saltiness, Climate A NASA-sponsored expedition is set to sail to the North Atlantic's saltiest spot to get a detailed, 3-D picture of how salt content fluctuates in the ocean's upper layers and how these variations are related to shifts in rainfall patterns around the planet. Read more

	August 29, 2012 A Slow-moving Isaac Brings Flooding to Gulf States Although now downgraded to a tropical storm, Isaac is still delivering near-hurricane force winds and heavy rains to parts of the Gulf Coast. Read more

	August 28, 2012 Cooler Waters Help Diminish Isaac's Punch As Hurricane Isaac prepares to come ashore in southeast Louisiana, its skirt around the Gulf of Mexico's warmest waters has helped slow its intensification. Read more

	August 28, 2012 NASA-Funded Study Helps Untangle Methane Mystery A new NASA-funded study has largely accounted for the dramatic leveling-off in atmospheric methane levels seen at the end of the 20th century. Read more

	July 24, 2012 China Olympics Traffic Measures Cut Carbon Emissions As the world readies for the 2012 London Olympics, a NASA-funded study finds traffic restrictions for the 2008 Beijing Olympics sharply reduced carbon dioxide emissions. Read more

	July 24, 2012 Satellites see Unprecedented Greenland Ice Sheet Melt For several days this month, Greenland's surface ice cover melted over a larger area than at any time in more than 30 years of satellite observations. Read more

	July 16, 2012 NASA Selects Launch Contractor for Jason-3 Mission NASA has selected Space Exploration Technologies (SpaceX) of Hawthorne, Calif., to launch the National Oceanic and Atmospheric Administration's (NOAA) Jason-3 spacecraft in December 2014. Read more

	July 16, 2012 NASA Selects Launch Contractor for Three Missions NASA has selected United Launch Services LLC of Englewood, Colo., to launch the Soil Moisture Active Passive (SMAP), Orbiting Carbon Observatory-2 (OCO-2) and Joint Polar Satellite System-1 (JPSS-1) spacecraft. Read more

	July 3, 2012 NASA Scientist: Climate Just One Factor in Wildfires As America celebrates its independence, 45 active large wildfires are creating unwanted fireworks, especially in the West. JPL Climatologist Bill Patzert answers some of our questions. Read more

	June 21, 2012 Study Slashes Deforestation Carbon Emission Estimate A new study with NASA participation cuts, by two-thirds, previous estimates of how much carbon is being emitted into our atmosphere from tropical deforestation. Read more

	June 17, 2012 Study Finds Ancient Warming Greened Antarctica A new study with NASA participation finds ancient Antarctica's climate was much warmer and wetter than previously suspected, supporting substantial vegetation along its edges. Read more

	June 13, 2012 Got Salt? NASA's Salt Mapper Toasts First Birthday To mark its first birthday, a new interactive feature lets you get up close and personal with NASA's Aquarius mission to study ocean salinity and some of its 'salt sleuths.' Read more

	June 1, 2012 Unmanned NASA Storm Sentinels set for Hurricane Study NASA is preparing to fly two unmanned aircraft high over hurricanes this summer and fall to study how they form and intensify. Read more

	May 10, 2012 NASA's New Carbon-Counting Instrument Leaves the Nest NASA's first mission dedicated to studying atmospheric carbon dioxide moves a step closer to reality with the shipment of its JPL-built science instrument. Read more

	May 3, 2012 A NASA Weather 'Eye in the Sky' Marks 10 Years With 2,378 spectral eyes measuring our atmosphere, NASA's Atmospheric Infrared Sounder might well be called a "monster" of weather and climate research. On May 4, it turns 10. Read more

	April 24, 2012 NASA Tests GPS Monitoring System for Big U.S. Quakes A research network of Western U.S. GPS stations will be tested to see if it can quickly pinpoint a strong quake's location/size and aid in disaster response/tsunami warning. Read more

	April 22, 2012 Study Finds Surprising Arctic Methane Emission Source The Arctic region is home to large reservoirs of the potent greenhouse gas methane. A new study with NASA contributions finds the Arctic Ocean may be an important source. Read more

	April 19, 2012 NASA Image Gallery Highlights Earth's Changing Face Just in time for Earth Day, NASA's Global Climate Change website unveils a new version of its "State of Flux" image gallery, which highlights how our home planet is changing. Read more

	April 13, 2012 Breaking the Ice on Icebergs It's been 100 years since the RMS Titanic struck an iceberg in the North Atlantic and sank. JPL scientists demystify these frozen mountains of floating ice. Read more

	April 9, 2012 NASA Views Our Perpetually Moving Ocean The swirling flows of tens of thousands of ocean currents are captured in a new NASA scientific visualization created with the help of JPL satellite and model data. Read more

	March 22, 2012 NASA GRACE Data Hit Big Apple on World Water Day Premiering on New York's Times Square today to mark World Water Day: a new visualization of global groundwater depletion created using data from NASA's GRACE mission. Read more

	March 22, 2012 NASA's 'Eyes on the Earth' Gets Sharper Vision NASA's Webby Award-winning Global Climate Change website has introduced a new version of its "Eyes on the Earth" interactive virtual reality visualization. Read more

	March 19, 2012 Students and Robots Take to the Courts in Competition Student teams from California, Nevada, Brazil and Chile competed in the 21st annual Los Angeles regional FIRST competition this past weekend. Read more

	March 19, 2012 NASA's New 'Earth-Now' App: Your World, Unplugged A free, new iPhone app from NASA literally puts the whole world in the palm of your hands. Read more

	March 16, 2012 At 10, GRACE Continues Defying, and Defining, Gravity A decade after launch, NASA's GRACE space twins continue their orbital waltz, producing amazing science. Read more

	March 6, 2012 Santa Monica High Tops Regional Ocean Sciences Bowl For the second straight year, Santa Monica High School beat longtime rival Arcadia High School to retain its title of Regional Ocean Sciences Bowl champions. Read more

	March 1, 2012 NASA Finds Sea Ice Driving Arctic Air Pollutants A NASA-led study finds Arctic sea ice loss may be intensifying release of bromine into the atmosphere, depleting ground-level ozone and depositing toxic mercury in the Arctic. Read more

	February 21, 2012 NASA Satellite Finds Earth's Clouds are Getting Lower A new university study using data from NASA's Terra spacecraft finds Earth's clouds got about one percent lower on average during the first decade of the 2000s. Read more

	February 17, 2012 NASA Map Sees Earth's Trees in a New Light A NASA-led science team has created an accurate, high-resolution map of the height of Earth's forests. Read more

	February 14, 2012 NASA Aircraft to Trek Globe in 2012 for Earth Studies With missions scheduled throughout the year, 2012 is shaping up to be an extraordinary time for NASA's Airborne Science Program and JPL Earth system science research. Read more

	February 9, 2012 3-D Map Study Shows Before-After of 2010 Mexico Quake A new partially NASA-supported study of the April 2010 major quake near the California-Mexico border gives the most comprehensive before-and-after picture yet of a quake zone. Read more

	February 8, 2012 NASA Mission Takes Stock of Earth's Melting Land Ice A new comprehensive University of Colorado-led study used gravity data from NASA's Grace mission to calculate how much Earth's melting land ice is adding to global sea level. Read more

	January 27, 2012 NASA Study Solves Case of Earth's 'Missing Energy' Inconsistencies between satellite observations of Earth's heat and measurements of ocean heating led NASA scientists to reexamine the data to solve the puzzle. Read more

	January 18, 2012 NASA Sees Repeating La Niña Hitting its Peak La Niña is peaking, increasing the odds of more stormy winter and spring weather in the Pacific Northwest, with dry conditions in the southwestern and southern United States. Read more

	January 12, 2012 JPL Radar Treks to Great White North to Study Snow Measuring snow from space - it's a challenge NASA's Global Precipitation Measurement mission will tackle. Read more

	January 9, 2012 NASA Radar to Study Hawaii's Most Active Volcano A JPL-developed airborne radar has returned to the home of Pele, the Hawaiian volcano goddess, to continue a study of one of Earth's most active volcanoes. Read more

	January 4, 2012 NASA Finds Russian Runoff Freshening Canadian Arctic A NASA study allays concerns melting Arctic sea ice could be increasing Arctic freshwater enough to impact the global 'ocean conveyor belt' that redistributes Earth's heat. Read more

	December 14, 2011 NASA: Climate Change May Bring Big Ecosystem Changes By 2100, climate change will bring big changes to Earth's ecosystems, with many plants and animals facing increasing competition for survival, finds a new NASA/Caltech study. Read more

	December 5, 2011 NASA Finds Japan Tsunami Waves Merged, Doubling Power NASA and university researchers have discovered the tsunami generated by the magnitude 9.0 quake off northeastern Japan in March 2011 was a long-hypothesized "merging tsunami" Read more

	November 30, 2011 NASA's Grace Helps Monitor U.S. Drought Data on groundwater storage from NASA's twin Grace satellites are now helping monitor droughts in Texas and elsewhere in the United States. Read more

	November 2, 2011 Where on Earth? Take the Quiz Test your skills as a geographical detective in the latest "Where on Earth?" quiz from NASA's Jet Propulsion Laboratory. Read more

	October 31, 2011 NASA Launches JPL-Built Earth Science Experiment The launch of NASA's newest Earth spacecraft also deployed a small research satellite with a JPL-built experiment that will prove technology for future Earth missions. Read more

	October 17, 2011 NASA, Japan Release Improved Topographic Map of Earth NASA and Japan released a significantly improved version of the most complete digital topographic map of Earth on Monday, produced with detailed measurements from NASA's Terra spacecraft. Read more

	October 2, 2011 NASA Leads Study of Unprecedented Arctic Ozone Loss A NASA-led study has documented an unprecedented depletion of Earth's protective ozone layer above the Arctic last winter and spring caused by an unusually prolonged period of extremely low temperatures in the stratosphere. Read more

	September 29, 2011 NASA-Funded Quake Forecast Gets High Score in Study A NASA-funded method for forecasting earthquakes in California has received high marks in a comparative study of seven earthquake forecasts. Read more

	September 22, 2011 Aquarius Yields NASA's First Global Map of Ocean Salinity NASA's new Aquarius instrument has produced its first global map of the salinity of the ocean surface, providing an early glimpse of the mission's anticipated discoveries. Read more

	September 15, 2011 Meteor Likely Cause of Southwest U.S. Light Show A meteor is the most probable cause of a bright, colorful fireball witnessed by people in a wide swath of the southwestern United States. Read more

	September 14, 2011 NASA Mars Research Helps Find Buried Water on Earth A NASA-led team has used radar sounding technology developed to explore Mars' subsurface to map, for the first time, freshwater aquifers buried deep beneath an Earth desert. Read more

	September 7, 2011 NASA Spacecraft Sees Wind-Whipped Fires in East Texas Some of the more than 170 major wildfires that have erupted throughout drought-stricken Texas in the past week are visible in this NASA satellite image of east Texas. Read more

	September 1, 2011 Aquarius Makes First Ocean Salt Measurements NASA's Aquarius instrument has successfully completed its commissioning phase and is now "tasting" the saltiness of Earth's ocean surface. Read more

	August 28, 2011 NASA Satellite Shows a Mean Irene's Fury A new NASA satellite image highlights Irene's intense precipitation as it moved into New England on Aug. 28. Read more

	August 27, 2011 NASA/ISRO Image Shows Irene's Winds Before Landfall Hurricane Irene's wind speeds and wind directions are shown in a new satellite image taken shortly before landfall in North Carolina on Aug. 27. Read more

	August 26, 2011 Track Irene's Progress on NASA Hurricane Websites Large and powerful Hurricane Irene is poised to become the first hurricane to make landfall in the United States since Ike in 2008. Read more

	August 23, 2011 NASA Satellites Detect Pothole on Road to Higher Seas While global sea level rise has been steady for most of the past two decades, every once in a while, such as this past year, it hits a speed bump. NASA scientists explain why. Read more

	August 18, 2011 NASA Research Yields Full Map of Antarctic Ice Flow NASA-funded researchers have created the first complete map of the speed and direction of ice flow in Antarctica. Read more

	August 16, 2011 NASA Research Confirms it's a Small World, After All Our planet Earth is not expanding, as some scientists had previously speculated. Read more

	August 11, 2011 Unusual Fault Pattern Surfaces in Earthquake Study Researchers have discovered a warped and complicated pattern in the depths of the faults that triggered an April 2010 earthquake in Mexico. Read more

	July 28, 2011 NASA Satellite Tracks Severity of African Drought New data from NASA's Aqua spacecraft highlight the extreme dryness that is currently gripping northeast Africa, contributing to spreading famine. Read more

	June 29, 2011 La Niña's Exit Leaves Climate Forecasts in Limbo The Pacific Ocean is currently in between its periodic El Niño and La Niña climate patterns. And that generally means headaches for weather and climate forecasters. Read more

	June 24, 2011 Small Asteroid to Whip Past Earth on June 27, 2011 An asteroid designated 2011 MD will safely pass Earth in the early morning hours. Read more

	June 10, 2011 NASA's 'Age of Aquarius' Dawns With California Launch NASA's 'Age of Aquarius' dawned Friday with the launch of an international satellite carrying the agency's Aquarius instrument set to measure the saltiness of Earth's oceans. Read more

	June 9, 2011 Aquarius/SAC-D Launch Mission Status Update The Aquarius/SAC-D observatory has successfully separated from its rocket, ground controllers have acquired its signal, and its solar arrays have been deployed. Read more

	June 9, 2011 What's Your Salt IQ? Find out how much you know about salt in the ocean, a topic that will be studied by NASA's Aquarius instrument, launching on an international spacecraft. Read more

	June 8, 2011 NASA's Aquarius/SAC-D Launch Rescheduled The launch of the international Aquarius/SAC-D mission is postponed 24 hours until Friday, June 10, from NASA's Space Launch Complex-2 at Vandenberg Air Force Base, Calif. Read more

	June 7, 2011 NASA Goes Below the Surface to Understand Salinity NASA's Aquarius, launching this week, will take a "skin" reading of ocean salt content. To better understand what's driving salinity changes, scientists will go deeper. Read more

	June 2, 2011 New NASA Salt Mapper to Spice Up Climate Forecasts Just as ancient Greeks believed they could tell the future by reading patterns in sprinkled salt, NASA's Aquarius mission will use salt to foresee Earth's future climate. Read more

	May 31, 2011 New NASA Map Reveals Tropical Forest Carbon Storage A NASA-led team has used NASA satellite data to create the most precise map ever produced depicting the amount and location of carbon stored in Earth's tropical forests. Read more

	May 25, 2011 For Aquarius, Sampling Seas No 'Grain of Salt' Task Twenty years after scientists first recognized that precise measurements of ocean salinity from space were possible, NASA's Aquarius mission is poised to realize their dream. Read more

	May 19, 2011 NASA/University Japan Quake Study Yields Surprises A new NASA and university study of Japan’s massive March quake yields surprises on how the quake’s energy and stress were distributed in the region. Read more

	May 17, 2011 NASA Mission Will Observe Earth's Salty Seas Final preparations are under way for the June 9 launch of the international Aquarius/SAC-D observatory. Read more

	May 12, 2011 NASA Announces News Briefing on Aquarius/Sac-D Mission NASA will hold a news briefing on Tuesday, May 17, at 10 a.m. PDT (1 p.m. EDT), on the agency's next Earth-observing satellite mission, Aquarius/SAC-D, scheduled to launch on June 9. Read more

	May 11, 2011 Aquarius to Illuminate Links Between Salt, Climate A new age of satellite studies of Earth dawns this June with the launch of NASA's salt-seeking Aquarius instrument. Read more

	April 20, 2011 NASA Marks Earth Day With Online Activities, Programs NASA uses the vantage point of space to explore and protect our home planet. Join scientists from JPL and throughout NASA in online activities in celebration of Earth Day. Read more

	April 6, 2011 For NASA's Aquarius, Quest for Salt a Global Endeavor With more than a few stamps on its passport, NASA's Aquarius instrument will soon embark on its space mission to "taste" Earth's salty ocean. Read more

	April 1, 2011 NASA Airborne Radar Set to Image Hawaiian Volcano The Kilauea volcano that recently erupted on the Big Island of Hawaii will be the target for a NASA study to help scientists better understand processes under Earth's surface. Read more

	March 31, 2011 Salt-Seeking Spacecraft Arrives at Launch Site An international spacecraft that will take NASA's first space-based measurements of ocean surface salinity has arrived at its launch site at Vandenberg Air Force Base in California. Read more

	March 16, 2011 NASA Picks a Festive Clover of Ireland Images Just in time for St. Patty's Day, NASA's Aqua satellite finds a "pot of gold" in colorful images of Ireland. Read more

	March 15, 2011 NASA Satellite Sees Area Affected by Japan Tsunami A new before-and-after image pair from NASA's Terra spacecraft shows a region northeast of Sendai, Japan, affected by the March 11, 2011, tsunami. Read more

	March 14, 2011 Japan Quake May Have Shortened Earth Days, Moved Axis The March 11, magnitude 9.0 earthquake in Japan may have shortened the length of each Earth day and shifted its axis. Read more

	March 12, 2011 NASA Images Tsunami's Effects on Northeastern Japan Flooding from the destructive tsunami triggered by the March 11, 2011 quake off Japan's northeastern coast is visible in before/after images from NASA's Terra spacecraft. Read more

	March 11, 2011 NASA Shows Topography of Tsunami-Damaged Japan City A new image based on NASA radar data from 2000 shows the mostly low-lying topography of Sendai, Japan, devastated by the March 11, 2011, 8.9-magnitue earthquake and tsunami. Read more

	March 9, 2011 NASA Study Goes to Earth's Core for Climate Insights The latest evidence of the role humans play in changing Earth's climate comes not from observations of the ocean, atmosphere or land surface, but from Earth's molten core. Read more

	March 8, 2011 NASA Finds Polar Ice Adding More to Rising Seas The Greenland and Antarctic ice sheets are losing mass at an accelerating pace, according to a new NASA-funded satellite study. Read more

	March 3, 2011 Double Vision: NASA Earth Satellites Prep for Launch Rockets for two NASA missions stand at Vandenberg Air Force Base, Calif., in preparation for launch of NASA's newest Earth satellites: Glory on March 4, and Aquarius in June. Read more

	February 24, 2011 NASA Spacecraft Images New Zealand Quake Region Two new images from NASA's Terra spacecraft show the region devastated this week by New Zealand's most destructive earthquake in 80 years. Read more

	February 10, 2011 JPL Airborne Sensor to Study 'Rivers in the Sky' An advanced JPL sensor is embarking on a NOAA-led airborne field campaign to study atmospheric rivers - narrow regions in the sky that transport huge amounts of water vapor. Read more

	February 1, 2011 NASA Satellite Captures U.S. 'Big Chill' On the eve of Groundhog Day 2011, a massive winter storm spreading across America will make it hard for Punxsutawney Phil, and 100 million Americans. Read more

	February 1, 2011 Monster Cyclone Yasi Eyes Australia in NASA Image Australians are bracing for Tropical Cyclone Yasi, forecast to be the strongest cyclone in the continent's recorded history. Read more

	January 31, 2011 NASA Satellite Tracks Menacing Australian Cyclone Tropical Cyclone Yasi continues to advance toward Australia's flood-weary state of Queensland, still reeling from devastating floods that began last December. Read more

	January 24, 2011 NASA's Salt-Seeking Instrument Gets a Silvery Blanket NASA technicians are busy prepping for the dawning of the age of Aquarius/SAC-D, the mission. Read more

	January 19, 2011 Lunar Eclipse Wallpaper Contest Yields Hundreds of Photos A winning photo has been chosen for NASAJPL's "I'm There: Lunar Eclipse" wallpaper contest from an entry pool of close to 2,000 images. Read more

	January 7, 2011 NASA Image Shows La Niña-Caused Woes Down Under While La Niña hasn't lived up to her usual dry billing this season in Southern California, elsewhere she's behaving as expected, which, in the case of Australia, means badly. Read more

	December 21, 2010 Season's Greetings: NASA Views the Change of Seasons Welcome the winter solstice today, Dec. 21 (summer solstice for our friends south of the equator) with a slideshow of NASA satellite images marking the change of seasons. Read more

	December 16, 2010 Mexico Quake Studies Uncover Surprises for California New technologies developed by NASA and other agencies are revealing surprising insights into a major quake that rocked parts of the American Southwest and Mexico in April. Read more

	December 15, 2010 American Geophysical Union Honors NASA's Bill Patzert Bill Patzert, an oceanographer and climatologist at JPL, has been honored by the American Geophysical Union for his contributions to improving public understanding of Earth science. Read more

	November 23, 2010 NASA's Savory Sea Salt Sensor to Get Cooked, Chilled A NASA instrument that will soon serve up a tasty cornucopia of new Earth climate data is set to get baked and chilled in a giant oven.' Read more

	November 23, 2010 NASA Study Finds Earth's Lakes are Warming In the first comprehensive global survey of temperature trends in major lakes, NASA researchers determined Earth's largest lakes have warmed during the past 25 years in response to climate change. Read more

	November 9, 2010 NASA Study Shows Role of Melt in Arctic Sea Ice Loss A NASA analysis of satellite data has quantified, for the first time, the amount of older and thicker "multiyear" sea ice lost from the Arctic Ocean due to melting. Read more

	October 28, 2010 NASA Work Helps Better Predict World's Smoggiest Days A research team led by JPL and Caltech has fully characterized a key chemical reaction that affects the formation of a harmful air pollutant in the world's urban areas. Read more

	October 21, 2010 Lunar Impact May Impact Lunar Science For Years To Come The JPL-built Diviner instrument had a front-row seat to the lunar impact of NASA's LCROSS spacecraft Read more

	October 19, 2010 Prototype NASA Earth Camera Goes for Test Flight JPL has conducted the first test flight of a prototype instrument being developed for a future space mission to survey how clouds and aerosols affect Earth's changing climate. Read more

	October 14, 2010 NASA Study of Haiti Quake Yields Surprising Results A new NASA, U.S. Geological Survey and university study finds this year's Haiti quake was caused by multiple faults and may not have released all the strain in the region. Read more

	October 6, 2010 NASA Loosens GRIP on Atlantic Hurricane Season NASA wrapped up one of its largest-ever hurricane research efforts last week after nearly two months of flights that broke new ground in the study of tropical cyclones. Read more

	October 6, 2010 NASA Partnership Sends Earth Science Data to Africa A unique partnership between NASA and agencies in Africa and Europe has sent a massive amount of free NASA Earth science satellite data to South African researchers. Read more

	October 4, 2010 NASA Study Sees Earth's Water Cycle Pulse Quickening The circulation of water drives our planet's pulse. A new NASA/university study of river water flowing into oceans offers an early warning that the pulse may be speeding up. Read more

	September 28, 2010 Sentinels of Climate Change NASA's new Global Ice Viewer provides an interactive window into how climate change is affecting glaciers, sea ice and continental ice sheets. Read more

	September 20, 2010 NASA Study Shows Desert Dust Cuts Colorado River Flow Snowmelt in the Colorado River basin is occurring earlier, reducing runoff and the amount of crucial water available downstream. Read more

	September 17, 2010 Hurricane Igor, Unchained, in NASA Satellite Images Powerful Hurricane Igor bears down on Bermuda, flanked by its baying hounds, hurricanes Julia (top right) and Karl (bottom right) in this monstrous mashup of NASA satellite images. Read more

	September 15, 2010 A Growing La Nina Chills Out the Pacific The latest satellite data from NASA's Jason-2 oceanography satellite show La Nina continuing to strengthen in the Pacific. Read more

	September 15, 2010 NASA Data Track Seasonal Pollution Changes Over India Scientists using data from an instrument on NASA's Terra spacecraft have analyzed aerosol pollution over India and found some surprising trends. Read more

	September 14, 2010 NASA Uses New Method to Estimate Earth Mass Movements New NASA research mixes satellite and surface measurements with an ocean model to estimate how water is moving around Earth and measure changes caused by the last major Ice Age. Read more

	September 9, 2010 New Report Seeks to Improve Climate Forecasts A new National Academy of Sciences report co-authored by a JPL scientist recommends ways to improve the accuracy of climate forecasts that span from weeks to a few years. Read more

	September 7, 2010 Two Asteroids to Pass by Earth Wednesday Two asteroids, several meters in diameter and in unrelated orbits, will pass within the moon's distance of Earth on Wednesday, Sept. 8. Read more

	September 2, 2010 NASA Hurricane Researchers Eye Earl's Eye Two advanced weather instruments from JPL are busy flying above Hurricane Earl, as NASA's field campaign to study how hurricanes form and intensify continues. Read more

	September 1, 2010 NASA Images Dissect Hurricane Earl As the U.S. East Coast prepares to duke it out with large and powerful Hurricane Earl, NASA satellites and instruments are busy gathering valuable information on the storm. Read more

	August 25, 2010 NASA/NOAA Study Finds El Niños are Growing Stronger A new type of El Niño is becoming more common and progressively stronger, according to a new NASA/NOAA study that has potential implications for long-term weather forecasting. Read more

	August 20, 2010 NASA Images Show Anatomy of Pakistan Flood Disaster A series of new NASA satellite images provides useful perspectives on the origins, extent and effects of the massive flooding devastating large parts of Pakistan. Read more

	August 12, 2010 NASA Releases New Image of Massive Greenland Iceberg A new NASA satellite image shows the continued movement of a massive iceberg that broke off Greenland's Petermann Glacier on Aug. 5. Read more

	August 11, 2010 NASA Video Shows Global Reach of Pollution from Fires Wildfires in Russia, eastern Siberia and Canada are spreading hazardous air pollution far beyond their borders, as seen in a pair of new NASA satellite animations. Read more

	August 9, 2010 Send in the Clouds Clouds, our fluffy friends in the sky, are essential to life on Earth. They're also not unique to our planet. Scientists ponder the role of clouds in our universe. Read more

	August 7, 2010 NASA Instrument Tracks Pollution from Russian Fires Drought and the worst heat wave Russia has seen in 130 years have sparked a devastating outbreak of wildfires across the nation this summer, primarily in the country's western and central regions. Read more

	August 5, 2010 NASA Images Show Continuing Mexico Quake Deformation The latest NASA radar images of the Southern California region rattled by a 7.2 quake in Mexico's Baja California on April 4 show continued deformation in Earth's surface. Read more

	July 28, 2010 GRAIL Spacecraft Takes Shape Engineers have conducted a fuel tank check of one of NASA's GRAIL mission spacecraft, scheduled for launch in 2011. Read more

	July 23, 2010 Bonnie Takes Aim at an Oily Gulf Tropical Storm Bonnie, now a depression, rakes South Florida in this July 23 NASA infrared image, en route to a weekend run-in with the Gulf of Mexico and the Gulf oil spill. Read more

	July 20, 2010 NASA Goes Deep in Search of Extreme Environments NASA-funded researchers searching for extreme environments for life have discovered the world's deepest hydrothermal vent, 5,000 meters below the surface of the Caribbean. Read more

	July 13, 2010 Study Finds Amazon Storm Killed Half a Billion Trees In 2005, scientists saw a spike in tree deaths in the Amazon, which was attributed to drought. Now a NASA-funded study finds a single, massive thunderstorm was also to blame. Read more

	July 7, 2010 NASA to Fly Into Hurricane Research this Summer Three NASA aircraft will begin flights to study tropical cyclones on Aug. 15 during the agency's first major U.S.-based hurricane field campaign since 2001. Read more

	June 29, 2010 Alex Stirs Up the Gulf Tropical Storm Alex, soon to be a hurricane, churns its way through the western half of the Gulf of Mexico in this NASA infrared image taken Tuesday afternoon, June 29. Read more

	June 28, 2010 Clearing the Air on Weather Versus Climate Weather and climate are easily confused, but they’re not the same. JPL atmospheric scientist Eric Fetzer explains the difference and gives his thoughts on climate change. Read more

	June 28, 2010 NASA Satellite Adds Carbon Dioxide to its Repertoire A NASA-led team has expanded the growing global armada of remote sensing satellites capable of studying carbon dioxide, the leading greenhouse gas driving changes in our climate. Read more

	June 23, 2010 NASA Radar Images Show How Mexico Quake Deformed Earth NASA has released the first-ever airborne radar images of the deformation in Earth's surface caused by a major earthquake. Read more

	June 22, 2010 NASA Awards Launch Services Contract for OCO-2 Mission NASA has selected Orbital Sciences Corp. of Dulles, Va., to launch the Orbiting Carbon Observatory-2 (OCO-2) mission. Read more

	June 22, 2010 Adios El Niño, Hello La Niña? The moderate El Niño of the past year has officially bowed out, leaving his cool sister, La Niña, poised to potentially take the equatorial stage. Read more

	June 14, 2010 NASA Demonstrates Tsunami Prediction System A NASA-led research team has successfully demonstrated for the first time elements of a prototype tsunami prediction system that quickly and accurately assesses large earthquakes and estimates the size of resulting tsunamis. Read more

	June 10, 2010 NASA and DLR Sign Agreement to Continue Grace Mission Through 2015 NASA Deputy Administrator Lori Garver and German Aerospace Center Executive Board Chairman Johann-Dietrich Wörner signed an agreement to extend the Gravity Recovery and Climate Experiment (GRACE) mission. Read more

	June 2, 2010 NASA Images Show Oil's Invasion Along Louisiana Coast By combining data from multiple cameras of JPL's MISR instrument on NASA's Terra satellite, scientists gain new perspectives on the spread of oil into Louisiana's fragile wetlands. Read more

	May 27, 2010 NASA Sensor Completes Initial Gulf Oil Spill Flights JPL's Airborne Visible/Infrared Imaging Spectrometer instrument has completed its initial assessment of the Gulf oil spill. Read more

	May 27, 2010 NASA Takes to the Air With New 'Earth Venture' Research Projects Hurricanes, air quality and Arctic ecosystems are among the research areas to be investigated during the next five years by new NASA airborne science missions announced today. Read more

	May 26, 2010 NASA Satellite Spots Oil at Mississippi Delta Mouth A new image from NASA's Terra spacecraft shows oil from the Deepwater Horizon spill lapping at the mouth of the Mississippi River delta. Read more

	May 25, 2010 NASA Satellites Keep Watch on Gulf Current Near Spill Scientists are using NASA satellite data to keep a close eye on a powerful current in the Gulf of Mexico that could carry the Gulf oil spill into the Atlantic. Read more

	May 20, 2010 NASA's MISR Provides Unique Views of Gulf Oil Slick New Gulf oil spill images from the Multi-angle Imaging SpectroRadiometer instrument on NASA's Terra spacecraft paint dramatic portraits of different aspects of the growing spill. Read more

	May 19, 2010 New Study Finds Ocean Warmed Significantly Since 1993 A new study co-authored by JPL’s Josh Willis finds the upper layer of Earth’s ocean has warmed significantly over the past 16 years, indicating a strong climate change signal. Read more

	May 11, 2010 NASA, JPL Assets Aiding in Oil Spill Response JPL instruments and personnel are among the NASA assets being used by U.S. disaster response agencies to assess the spread and impact of the oil spill in the Gulf of Mexico. Read more

	May 7, 2010 NASA Captures Night Infrared View of Gulf Oil Spill A May 7 nighttime infrared image of the Gulf oil spill from an instrument on NASA's Terra spacecraft provides a different perspective on the oil slick nearing the Gulf coast. Read more

	May 3, 2010 NASA Satellite Views Massive Gulf Oil Spill New NASA satellite images show the extent of the growing oil spill in the Gulf of Mexico. Read more

	April 28, 2010 NASA Study Sheds Light on Ozone Hole Chemistry A new NASA study of Earth's polar ozone layer reinforces scientists' understanding of how human-produced chlorine chemicals involved in the destruction of ozone interact with each other. Read more

	April 22, 2010 Web Chat: How Does NASA Study Earth's Climate? Earth Day Web Chat, Apr. 22, 10 a.m. Pacific -- Students ask a scientist how NASA studies Earth's climate. Read more

	April 20, 2010 NASA Satellite Helps Measure Iceland Volcanic Plume An instrument on NASA's Terra spacecraft is helping officials accurately estimate the heights of the massive ash plumes emitted by Iceland's Eyjafjallajokull volcano. Read more

	April 19, 2010 NASA Continues to Track Persistent Iceland Volcano A new NASA infrared image of Iceland's erupting volcano shows its billowing ash plume, lava erupting from its current vent, and still-hot lava flows from earlier eruption phases. Read more

	April 18, 2010 NASA Satellite Eyes Iceland Volcano Cauldron New NASA satellite images of Iceland's Eyjafjallajökull volcano provide a peek into its explosive cauldron. Read more

	April 16, 2010 NASA Satellite Images Dissect Iceland Volcanic Plume A thermal infrared analysis of NASA satellite imagery of the ash plume from Iceland's erupting volcano provides insights into its composition. Read more

	April 16, 2010 NASA Celebrates 40th Anniversary of Earth Day JPL and other NASA centers across the nation invite the public to see and hear about the agency's contributions to understanding and protecting Earth. Read more

	April 15, 2010 NASA Instrument Sees Disruptive Iceland Volcanic Cloud A JPL-built instrument on NASA's Aqua spacecraft imaged the ash cloud from an erupting Iceland volcano that's wreaking havoc for air travelers in Northern Europe and around the world. Read more

	April 8, 2010 NASA's Global Hawk Completes First Science Flight NASA has successfully completed the first science flight of the Global Hawk unpiloted aircraft system over the Pacific Ocean. Read more

	April 7, 2010 NASA Sensors Providing Rapid Estimates of Iceland Volcano Emissions A NASA research team is using the latest advances in satellite artificial intelligence to speed up estimates of the heat and volume of lava escaping from an erupting volcano in Iceland. Read more

	April 5, 2010 Topography Reflects Baja Quake Site's Complex Geology New NASA topographic images of northern Baja, California, site of a 7.2 quake on April 4, reflect the complex geology caused by colliding tectonic plates. Read more

	April 5, 2010 NASA Demonstrates Novel Ocean-Powered Underwater Vehicle NASA, U.S. Navy and university researchers have successfully demonstrated the first robotic underwater vehicle to be powered entirely by natural, renewable, ocean thermal energy. Read more

	April 1, 2010 Glaciers and Ice Caps: How Much Do You Know? Test your knowledge of the cold, hard facts about Earth’s ice and its link to climate change with our brain freezer teaser. Read more

	March 25, 2010 NASA Study Finds Atlantic 'Conveyor Belt' Not Slowing New NASA measurements of the Atlantic Meridional Overturning Circulation, part of the global ocean conveyor belt that helps regulate climate around the North Atlantic, show no significant slowing over the past 15 years. Read more

	March 25, 2010 NASA's Grace Sees Rapid Spread in Greenland Ice Loss A new international study finds losses in Greenland's ice sheet are now spreading rapidly up its northwest coast. Read more

	March 23, 2010 JPL Scientists to Share Research at Free Climate Day Event JPL Climate Day 2010 will bring students, educators and the general public together with scientists and other climate experts for a free, educational and fun event about Earth's changing climate. Read more

	March 22, 2010 Earth's Real Movers and Shakers Star in New Tectonic Model NASA and university researchers have released the result of a 20-year effort to precisely describe the relative movements of Earth's interlocking tectonic plates. Read more

	March 19, 2010 JPL Wins 'Green Building Award' JPL's environmentally friendly Flight Projects Center received a "Green Building Award" at the fourth annual Green California Leadership Awards, held during this week's Green California Summit. Read more

	March 18, 2010 El Niño's Last Hurrah? Satellite data show yet another strong wave of warm water moving eastward across the central equatorial Pacific. Could this be El Niño's last stand? Read more

	March 17, 2010 Little Shrimp Makes Big Splash Beneath Antarctica A JPL-designed camera submerged 600 feet beneath the Antarctic ice sheet to image its underbelly has yielded an unexpected find -- a shrimp. Read more

	March 8, 2010 Historic Deep Space Network Antenna Starts Major Surgery Like a hard-driving athlete whose joints need help, the giant "Mars antenna" at NASA's Deep Space Network site in Goldstone, Calif. has begun major, delicate surgery. Read more

	March 1, 2010 Chilean Quake May Have Shortened Earth Days The Feb. 27 magnitude 8.8 earthquake in Chile may have shortened the length of each Earth day. Read more

	March 1, 2010 Salt-Seeking Satellite Shaken By Quake, But Not Stirred NASA's Aquarius instrument, and the Argentinian spacecraft that will carry it into space, rode out the Feb. 27 Chilean earthquake without a scratch. Read more

	February 23, 2010 New NASA Web Page Sheds Light on Science of Warming World NASA has launched a new Web page to help people better understand the causes and effects of Earth's changing climate. Read more

	February 23, 2010 Temperature Trackers Watch Our Watery World Wax and Wane The ocean plays a key role in determining Earth’s temperatures, and, say NASA scientists, could well contribute to making 2010 the warmest year on record. Read more

	February 22, 2010 Pictures That Paint a Thousand Words A new image gallery on NASA's Global Climate Change Web site highlights some dramatic examples of how our planet is changing over time. Read more

	February 19, 2010 Rain, Rain, Go Online A new webcam at NASA's Jet Propulsion Laboratory is keeping an eye on debris and water flows that could course down nearby wildfire-stripped hillsides during a rainstorm. Read more

	February 18, 2010 Missing 'Ice Arches' Contributed to 2007 Arctic Ice Loss In 2007, the Arctic lost a massive amount of thick, multiyear sea ice, contributing to that year's record-low extent of Arctic sea ice. Read more

	February 16, 2010 NASA Finds Warmer Ocean Speeding Greenland Glacier Melt A new NASA study finds undersea melting of glaciers in west Greenland due to ocean warming is playing a major, previously overlooked, role in their evolution. Read more

	February 11, 2010 Shuttle Mission That Mapped Earth Marks 10th Anniversary Ten years ago, two JPL radar antennas launched on a mission to map the topography of a mysterious, cloud-covered world, called Earth. Read more

	February 4, 2010 NASA Radar Studies Continue in Central America, Hispaniola NASA radar imaging flights over Central America, Haiti and the Dominican Republic are in the second week of a three-week campaign. Read more

	February 1, 2010 JPL Airborne Radar Captures Its First Image of Post-Quake Haiti JPL's Uninhabited Aerial Vehicle Synthetic Aperture Radar (UAVSAR) captured this false-color composite image of the city of Port-au-Prince, Haiti, and the surrounding region. Read more

	February 1, 2010 NASA's Aquarius Gets a Presidential Visit Argentina's president got an up-close look at NASA's Aquarius instrument at the Argentine facility where it's being integrated with the SAC-D spacecraft. Read more

	January 28, 2010 New NASA Web Site Launches Kids on Mission to Save Our Planet Climate change can be a daunting topic for most adults to grasp, let alone kids. Read more

	January 26, 2010 NASA Airborne Radar Studies Haiti Earthquake Faults NASA has added a series of overflights of quake faults in Haiti and the Dominican Republic to a previously scheduled three-week airborne radar campaign to Central America. Read more

	January 20, 2010 Study Links Spring Ozone Over North America With Emissions Abroad A new study links ozone levels above western North America in springtime to pollution from abroad. JPL lidar and balloon data contributed to the findings. Read more

	January 20, 2010 JPL Scientist Receives American Meteorological Society Honor JPL research scientist Tim Liu has been honored by the American Meteorological Society for his space-based research on Earth's climate. Read more

	January 18, 2010 NASA's ASTER Instrument Observes Haiti Quake Aftermath Landslides from the Jan. 12 Haiti earthquake are clearly visible in a new simulated natural-color image from an instrument on NASA’s Terra spacecraft. Read more

	January 15, 2010 JPL Scientist Honored by President Obama With Early Career Award JPL Oceanographer Josh Willis was among 100 outstanding early career scientists honored by President Obama Jan. 13 at the White House. Read more

	January 14, 2010 Fault Responsible for Haiti Quake Slices Island's Topography The fault responsible for the Jan. 12 magnitude 7.0 earthquake that devastated Haiti is visible in images created using NASA radar topography data acquired in 2000. Read more

	December 22, 2009 As the World Churns NASA Research Confirms Complex Motions of Earth's Churning, Burning Liquid Core Read more

	December 21, 2009 AcrimSat Celebrates 10 Years of Measuring the Sun's Energy A JPL satellite launched 10 years ago this week continues to improve climate change predictions by tracking how much of the sun's energy reaches Earth. Read more

	December 17, 2009 New Results from a Terra-ific Decade in Orbit At the age of 10, NASA's flagship Terra spacecraft continues to enrich our understanding of Earth's ocean, land and atmosphere. Read more

	December 17, 2009 California, Nevada Lakes Warming Rapidly A new JPL study examines the impact recent variability in climate is having on the surface temperatures of large lakes in California and Nevada. Read more

	December 15, 2009 NASA Outlines Recent Breakthroughs in Greenhouse Gas Research Researchers studying carbon dioxide, a leading greenhouse gas and a key driver of global climate change, now have a new tool at their disposal. Read more

	December 14, 2009 NASA Data Reveal Major Groundwater Loss in California NASA data show California's primary agricultural area and major mountain water source lost nearly enough groundwater since fall 2003 to fill America's largest reservoir. Read more

	December 10, 2009 Climate Change Rains Down on JPL Undergrads Two JPL college interns delving into California's rainfall records have uncovered some interesting findings that may be linked to climate change. Read more

	November 25, 2009 New Report Provides Update on Recent Climate Changes JPL researcher Eric Rignot contributed to "The Copenhagen Diagnosis," a new report that synthesizes pertinent climate research over the past four years. Read more

	November 24, 2009 The Big Thaw? NASA Satellites Detect Unexpected Ice Loss in East Antarctica A new study using NASA satellite data finds East Antarctica's ice sheet may not be as stable as previously thought. Read more

	November 23, 2009 NASA Assessing New Roles for Ailing QuikScat Satellite NASA mission managers are assessing options for future operations of the venerable QuikScat satellite following the age-related failure of a mechanism that spins the scatterometer antenna. Read more

	November 12, 2009 El Nino Picking Up Steam The latest image from the U.S./European Jason-2 satellite finds a strong wave of warm water heading toward the Americas, fueling El Niño. Read more

	November 10, 2009 2012 - A Scientific Reality Check The manager of NASA's Near-Earth Object Office shares with you the scientific realities surrounding the celestial happenings in the year 2012 Read more

	November 9, 2009 A Late-Season Ida Eyes the Northern U.S. Gulf Coast Ida, the third hurricane of the 2009 Atlantic season and now a tropical storm, churns through the Gulf of Mexico in this pair of NASA satellite images taken Monday, Nov. 9. Read more

	October 14, 2009 NASA Celebrates Earth Science Week Just in time for Earth Science Week, NASA debuts new materials on global climate change to help you talk the talk about the climate of our Third Rock. Read more

	October 2, 2009 JPL Satellite Data on How Pollution Travels Highlighted in New Study JPL satellite data on the global transport of carbon monoxide are highlighted in a new National Academy of Sciences report on long-range transport of air pollutants. Read more

	October 1, 2009 International Science Teams Selected for Aquarius/SAC-D Mission NASA and Argentina's Comisión Nacional de Actividades Espaciales (CONAE), with support from the Argentine Ministry of Science, Technology and Innovative Production (MinCyT), have selected additional members of the international scientific investigating team for the Aquarius/Satélite de Aplicaciones Científicas (SAC)-D mission, scheduled to launch in 2010. Read more

	October 1, 2009 Space Radar Reveals Topography of Tsunami Site The topography of the Samoan Islands, hit by a devastating tsunami on Sept. 29, is highlighted in this pair of images from NASA's Shuttle Radar Topography Mission. Read more

	September 29, 2009 The Ups and Downs of Global Warming Skeptics cite short-term cooling trends as evidence Earth isn't warming. JPL scientist Josh Willis explains why understanding climate change requires a longer view. Read more

	September 28, 2009 Floundering El Ninos Make for Fickle Forecasts Scientists agree El Nino is back. But not all El Ninos are created equal, and there's less consensus about the future strength of this year's event. Read more

	September 9, 2009 Spacecraft Talk Continued During JPL Wildfire Threat As the flames of the raging brush fire dubbed the Station Fire threatened the northern edge of NASA's Jet Propulsion Laboratory on Saturday, Aug. 29, the managers of NASA's Deep Space Network prepared for the worst. Read more

	September 8, 2009 New NASA Image Shows Extent of Station Fire Burn The extent of devastation from the Station fire burning near Los Angeles is strikingly visible in this Sept. 6 image from NASA's Terra satellite. Read more

	September 3, 2009 Pollution from California Wildfires Spreads Across the United States Carbon-monoxide-filled smoke from California's Station Fire spreads across the United States in this animation created from data from NASA's Aqua satellite. Read more

	September 1, 2009 Satellites and Submarines Give the Skinny on Sea Ice Thickness A new study led by JPL scientist Ron Kwok combines recent NASA satellite data with submarine data to chronicle a nearly half- century history of Arctic ice thickness. Read more

	September 1, 2009 Powerful Hurricane Jimena Steams Toward Baja The JPL-built Atmospheric Infrared Sounder instrument (AIRS) on NASA's Aqua satellite captured this image of a then Category 4 Hurricane Jimena early on Tuesday, Sept. 1, as the storm approached the southern tip of Mexico's Baja peninsula. Read more

	August 31, 2009 Smoke From Station Fire Blankets Southern California A JPL instrument on NASA's Terra satellite captured this Aug. 30 image of smoke plumes from the Station and other wildfires burning throughout Southern California. Read more

	August 27, 2009 From the Moon to Marine Measurements JPL scientists have applied a gravity calculation method first used on Apollo moon missions to measure pressure at the ocean bottom, shedding new light on our ocean and climate. Read more

	August 20, 2009 Seeing the Forest for the Trees Mangroves are a vital but endangered natural resource in many coastal regions. A JPL researcher has completed the first full assessment of Africa's mangrove forests. Read more

	August 20, 2009 NASA's "A-Train" on Track With Hurricane Research Whenever tropical cyclones are brewing, researchers around the world catch NASA's A-Train of Earth-monitoring satellites to learn more about them. Read more

	August 19, 2009 Your World, In Sharper Focus New features in NASA's "Eyes on the Earth 3-D" online experience allow users to view the latest data -- some less than a few hours old-- from NASA Earth satellites. Read more

	August 12, 2009 Satellites Unlock Secret to Northern India's Vanishing Water Using NASA satellite data, scientists have found that groundwater levels in northern India have been declining by as much as 33 centimeters (1 foot) per year over the past decade. Read more

	August 7, 2009 NASA Goes Inside a Volcano, Monitors Activity Scientists have placed high-tech "spiders" inside and around the mouth of Mount St. Helens, the site of the most active volcano in the United States. Read more

	August 6, 2009 Data From Newest Ocean Satellite Ready for Their 'Close-up' Fully calibrated, validated data from the NASA-French Space Agency Ocean Surface Topography Mission/Jason-2 satellite are now available, following a year of evaluation. Read more

	August 4, 2009 Aura Marks Five Years of Sky-High Atmosphere Research Five years ago, NASA launched the Aura satellite to study changes in our life-sustaining atmosphere. Look at some of its greatest findings to date. Read more

	August 3, 2009 NASA's Moon Mapper Beholds Home This false-color image of Earth was taken by the Moon Mineralogy Mapper, one of two NASA instruments onboard the Indian Space Research Organization's Chandrayaan-1 spacecraft. Read more

	July 20, 2009 JPL, Caltech, City of Los Angeles to Team on Energy/Water Initiatives The city of Los Angeles, the city's Dept. of Water and Power, and JPL and Caltech announced a first-of-its-kind partnership to establish Los Angeles as a powerhouse for demonstrated energy and water innovation. Read more

	July 17, 2009 NASA Releases Orbiting Carbon Observatory Accident Summary A NASA panel that investigated the unsuccessful Feb. 24 launch of the Orbiting Carbon Observatory has completed its report. Read more

	July 15, 2009 After Five Years, NASA's Aura Shines Brightly Two JPL instruments that are helping improve our understanding of Earth's atmosphere and global change mark five years in orbit this week. Read more

	July 13, 2009 NASA JPL Scientist Receives Presidential Early Career Award Josh Willis, an oceanographer at JPL, has been honored by President Barack Obama with the 2009 Presidential Early Career Award for Scientists and Engineers. Read more

	July 7, 2009 New NASA Satellite Survey Reveals Dramatic Arctic Sea Ice Thinning Arctic sea ice thinned dramatically between the winters of 2004 and 2008, with thin seasonal ice replacing thick older ice as the dominant type for the first time on record. Read more

	July 1, 2009 Earthquakes, From Above and Below: Live Chat Earthquakes: they're among the most frightening and deadly of all natural disasters. Read more

	July 1, 2009 JPL Blog: Five Things About Hurricanes JPL scientist Bjorn Lambrigtsen, who goes on hurricane watch every June, lists five thoughts about hurricane research. Read more

	June 29, 2009 NASA, Japan Release Most Complete Topographic Map of Earth NASA and Japan released a new digital topographic map of Earth Monday that covers more of our planet than ever before. The map was produced with detailed measurements from NASA's Terra spacecraft. Read more

	June 29, 2009 NASA Wraps Up Icelandic Part of Arctic Ice Radar Mission NASA's new airborne radars have capped off their Arctic expedition by measuring Iceland's topography and studying the flow of its glaciers and ice streams. Read more

	June 26, 2009 QuikScat's 'Greatest' Hits NASA's wind-watching QuikScat satellite is 10 years old this month. Take a spin down memory lane and see some of the mission's greatest achievements to date. Read more

	June 25, 2009 QuikScat Finds Tempests Brewing In 'Ordinary' Storms Among QuikScat's greatest achievements in its first decade of operations is its ability to spot hurricane-force winds within commonly occurring extratropical storms. Read more

	June 24, 2009 New JPL Building Goes Green for the Gold When residents of the top floors of JPL's new Flight Projects Center look out their windows down to the roof of the building's auditorium, they won't see black tar. Read more

	June 18, 2009 JPL Wind Watcher Blows Into its Second Decade NASA's QuikScat satellite has reached a milestone--10 years of tracking wind speed and direction, and revolutionizing marine weather forecasts. Read more

	June 17, 2009 Scientists Search for a Pulse in Skies Above Earthquake Country A new NASA 3-D airborne radar, capable of seeing below the surface, will study earthquake faults in California. Read more

	June 1, 2009 Ocean Signals Provide Hurricane Season Hints Hurricane season has now officially kicked off in the Atlantic and Pacific. NASA satellites are providing some hints of the coming season's activity. Read more

	May 29, 2009 Salt-Seeking Ocean Sensor to Ship South JPL's Aquarius instrument is prepped for shipment to Argentina June 1. The mission will study how salt affects ocean circulation, the water cycle and climate. Read more

	May 20, 2009 Taking Cues from Cubes JPL scientists are taking their cues from cubes to develop better models of ocean circulation and climate. Read more

	May 14, 2009 Airborne Radar Continues Its Icy Expedition NASA scientists continue to crisscross Greenland, mapping glaciers with their new airborne radars as their expedition hits full stride. Read more

	May 13, 2009 Move Any Mountain New research from JPL is making it easier to accurately track snowmelt -- water from snowpacks that melt in spring -- in mountainous regions. Read more

	May 11, 2009 NASA's QuikScat Sees Santa Barbara 'Quick Dry' Hot weather just before the Santa Barbara, Calif., wildfire quickly dried up soil moisture from rain one day prior, contributing to the fire danger. Read more

	May 6, 2009 Airborne Scientists Arrive in the Arctic Hop aboard and fasten your seat belts as a NASA engineer takes you inside NASA's just-launched Arctic airborne radar expedition. Read more

	April 30, 2009 Arctic Trek to 'Break the Ice' on New NASA Airborne Radars NASA will 'break the ice' on a pair of new airborne radars that can help monitor climate change when a team of scientists embarks this week on a two-month expedition to the vast, frigid terrain of Greenland and Iceland. Read more

	April 29, 2009 Sea Salt Holds Clues to Climate Change An upcoming NASA mission will track sea salinity, helping scientists monitor and predict climate change. Read more

	April 23, 2009 On the JPL Blog: Good and Bad Ozone There's good and bad ozone, explains JPL's Chris Boxe, and an instrument aboard NASA's Aura spacecraft is helping improve scientists' understanding of this important component in Earth's atmosphere. Read more

	April 22, 2009 Expand Your 'Green' Horizons Just in time for Earth Day, a new slide show describes things you may not know about our home planet. Read more

	April 21, 2009 NASA Celebrates Earth Day: April 22, 2009 Join NASA and nearly 7 billion of your closest friends in this annual celebration of our planet that marks the importance of being good environmental stewards. Read more

	April 14, 2009 Online Poll for NASA's Greatest Hits for Earth Begins Today NASA is inviting the public to vote online for the most important contribution the space agency has made to exploring Earth and improving the way we live on our home planet. Read more

	April 13, 2009 NASA Test May Help Forecast Deadly Cyclones A new NASA-developed approach for modeling tropical cyclones that uses JPL satellite data shows promise for better forecasting the world's deadliest storms. Read more

	April 6, 2009 Satellites Show Arctic Literally on Thin Ice The latest Arctic sea ice data from NASA and the National Snow and Ice Data Center show that the decade-long trend of shrinking sea ice cover is continuing. Read more

	April 2, 2009 On the JPL Blog: Oceans Up Close - From Space JPL oceanographer Jorge Vazquez explains how satellites help monitor changes in Earth's oceans. Read more

	April 1, 2009 Radar Data Show Role of Topography in Fargo Floods The Red River in Fargo, North Dakota, flows through flat troughs carved by ancient glaciers, contributing to its flooding history, as seen in this February 2000 image. Read more

	March 30, 2009 NASA Continues to Advance International Polar Year Science Although the International Polar Year officially came to a close in February, NASA is continuing to push the frontiers of polar science from space, the air and the surface of ice. Read more

	March 18, 2009 NASA Celebrates Sun-Earth Day With Illuminating Webcast NASA scientists will reveal new information and images about our sun and its influence on Earth and the solar system for Sun-Earth Day, recognized each year in conjunction with the spring equinox. Read more

	March 17, 2009 Asteroid to Fly By Earth Wednesday A small asteroid will fly past Earth early tomorrow morning (Wed., March 18). Read more

	March 12, 2009 NASA Launches 'Eyes on the Earth 3-D' New interactive features on NASA's Global Climate Change Web site give the public the opportunity to "fly along" with NASA's fleet of Earth science missions and observe Earth from a global perspective in an immersive, 3-D environment. Read more

	March 5, 2009 Turning the Tide to Energy NASA research into powering robotic underwater vehicles could some day help convert ocean energy into electrical energy on a much larger scale. Read more

	March 4, 2009 Scientists Expose 'Buried' Fault That Caused Deadly 2003 Quake Scientists have observed, for the first time, the healing of subtle surface scars from an earthquake that occurred on a "buried" fault several miles below the surface. Read more

	March 3, 2009 NASA Announces Mishap Board Members for OCO Investigation NASA has selected the members of the board that will investigate the unsuccessful launch of the Orbiting Carbon Observatory on Feb. 24. Read more

	March 3, 2009 Quiz: How Much Do You Know About Carbon Dioxide Test your 'green' IQ and find out why carbon dioxide is so important to climate stability and our quality of life. Read more

	February 26, 2009 NASA Study Finds 'Pre-Existing Condition' Fueled Killer Cyclone A "pre-existing condition" in the North Indian Ocean stoked the sudden intensification of last year's Tropical Cyclone Nargis just before its devastating landfall in Burma, according to a new NASA/university study. Read more

	February 25, 2009 NASA Names Chairman for Orbiting Carbon Observatory Investigation NASA's Rick Obenschain, deputy director at NASA's Goddard Space Flight Center in Greenbelt, Md., will lead the investigation board for the unsuccessful launch of the Orbiting Carbon Observatory on Feb. 24. Read more

	February 25, 2009 The Cutting Edge: Satellite Data Provide New View of Smoke From Wildfires Scientists have a new tool for understanding how events in one region, such as wildfires, can affect air quality in areas far away. Read more

	February 24, 2009 NASA's Launch of Carbon-Seeking Satellite Is Unsuccessful NASA's Orbiting Carbon Observatory satellite failed to reach orbit after its 1:55 a.m. PST liftoff Tuesday from California's Vandenberg Air Force Base. Read more

	February 24, 2009 On the JPL Blog: Thoughts After Launch JPL's Randy Pollock reflects on the unsuccessful launch of NASA's Orbiting Carbon Observatory. Read more

	February 23, 2009 On the JPL Blog: Counting Carbon JPL engineer Randy Pollock explains how NASA's Orbiting Carbon Observatory will help seek out carbon dioxide in Earth's atmosphere. Read more

	February 20, 2009 JPL Imagery Captures Fires in the Land 'Down Under' Satellite images of Australia's severe wildfires show the global transport of their pollution, extent of the devastation and the fires still burning as of Feb. 17. Read more

	February 20, 2009 Five Things About the Orbiting Carbon Observatory Here are some quick facts about the Earth-orbiting satellite, scheduled to launch on Feb. 24, 2009. Read more

	February 19, 2009 For NASA's Hurricane Web Page, It's Always Hurricane Season Many of JPL's Earth missions contribute data to NASA's Hurricane/Tropical Cyclone Web page, which monitors storms year-round. Read more

	February 19, 2009 Orbiting Carbon Observatory Aims To Boost Carbon Management Options As the concentration of heat-trapping carbon dioxide in Earth's atmosphere continues to rise, so also do efforts to find solutions to this global problem. Read more

	February 10, 2009 NASA Mission Meets the Carbon Dioxide Measurement Challenge The challenge: very precisely measure carbon dioxide in Earth's atmosphere all over the world, especially near Earth's surface. Read more

	February 6, 2009 NASA-JPL Scientist Elected to National Academy of Engineering In one of the highest professional distinctions accorded to engineers and scientists, the National Academy of Engineering has elected Moustafa T. Chahine, a senior research scientist at JPL as a member of its organization. Read more

	February 6, 2009 Ocean-Observing Satellites Begin Tandem Tango Two NASA oceanography satellites have begun a long-distance orbital dance that will double the amount of data on ocean features that was previously available. Read more

	February 5, 2009 The Mystery of the Missing Carbon: A JPL Live Chat A NASA satellite set to launch this month will soon be hot on the trail of the elusive greenhouse gas carbon dioxide, the leading human-produced cause of global warming. JPL's Chip Miller will take your questions. Read more

	February 5, 2009 NASA Carbon Mission to Improve Future Climate Change Predictions The Orbiting Carbon Observatory, launching this month, will provide the initial steps in the journey of measuring carbon dioxide from space. Read more

	January 29, 2009 NASA Mission to Help Unravel Key Carbon, Climate Mysteries NASA's first spacecraft dedicated to studying atmospheric carbon dioxide is in final preparations for a Feb. 23 launch from Vandenberg Air Force Base in California. Read more

	January 23, 2009 The Orbiting Carbon Observatory and the Mystery of the Missing Sinks NASA's Orbiting Carbon Observatory will help scientists pinpoint what happens to unaccounted carbon dioxide in Earth's atmosphere. Read more

	January 13, 2009 The Human Factor: Understanding the Sources of Rising Carbon Dioxide Every time we get into our car, turn the key and drive somewhere, we burn gasoline, a fossil fuel derived from crude oil. Read more

	December 23, 2008 Researcher hopes to put fuel cells on the fast track The slow evolution of clean-energy solutions is about to kick into high gear, if Sossina M. Haile has anything to say about it. Read more

	December 19, 2008 NASA Study Links Severe Storm Increases, Global Warming The frequency of extremely high clouds in Earth's tropics -- the type associated with severe storms and rainfall -- is increasing as a result of global warming, according to a study by scientists at NASA's Jet Propulsion Laboratory, Pasadena, Calif. Read more

	December 16, 2008 New Oceanography Mission Data Now Available Oceanography data that will help scientists around the world better understand climate change are now available. Read more

	December 10, 2008 What's in a Name? Whether referred to as global warming or climate change, the consequences of the changes currently being observed in Earth's climate system could be considerable. Read more

	December 9, 2008 Oscillation Rules as the Pacific Cools The latest image of sea-surface height measurements from the U.S./French Jason-1 oceanography satellite shows the Pacific Ocean remains locked in a strong, cool phase of the Pacific Decadal Oscillation, a large, long-lived pattern of climate variability in the Pacific associated with a general cooling of Pacific waters. Read more

	December 3, 2008 New Study Finds Sumatra Still at High Risk for Big Quake Two large quakes beneath Sumatra in 2007 did not adequately relieve built-up stress, according to a study that includes a JPL researcher and radar data. Read more

	November 18, 2008 NASA's Quikscat Ocean-Observing Satellite Mission Honored The Earth-observing satellite has been recognized for helping scientists better understand our home planet. Read more

	November 17, 2008 JPL Instrument Observes Changes in Big Antarctic Glacier JPL satellite data have helped scientists crack the case of a speeding Antarctic glacier. Understanding glacial flow processes can improve sea level forecasts. Read more

	November 17, 2008 Water Vapor Doubles Carbon Dioxide's Warming Effect A JPL instrument on NASA's Aqua satellite has helped researchers estimate more precisely than ever before the heat-trapping effect of water in the air. Read more

	November 13, 2008 Sizing Up Near-Earth Asteroids JPL scientist Amy Mainzer talks about our nearest neighbors and how the upcoming Wide-field Infrared Explorer mission will observe them. Read more

	November 12, 2008 NASA's Carbon-Sniffing Satellite Sleuth Arrives at Launch Site NASA's first spacecraft dedicated to studying carbon dioxide, the leading human-produced greenhouse gas driving changes in Earth's climate, has arrived at Vandenberg Air Force Base, Calif., to begin final launch preparations. Read more

	November 10, 2008 JPL Instrument Circling Moon JPL's Moon Mineralogy Mapper instrument is aboard India's moon voyage, Chandrayaan-1. A Sat., Nov. 8 maneuver placed the craft in orbit around the moon. Read more

	November 6, 2008 JPL Gravity Satellites Gauge Alaskan Glacier Ice Loss A new study makes the most precise measurements yet of ice loss in Gulf of Alaska mountain glaciers, a region contributing substantially to sea level rise. Read more

	November 4, 2008 JPL Instrument Moon-Bound JPL's Moon Mineralogy Mapper instrument is aboard India’s maiden moon voyage, Chandrayaan-1. A maneuver performed today (Tues., Nov. 4) placed the Indian spacecraft on a path toward the moon. Read more

	October 31, 2008 Sea Level Monitoring Enters New Era In a major milestone leading to full service, satellite operations for the Ocean Surface Topography Mission/Jason-2 have been handed over to NOAA. Read more

	October 22, 2008 Shakeout for Southern California Geophysicist Maggi Glasscoe previews an upcoming earthquake preparedness drill in southern California. Read more

	October 21, 2008 Scientists Seek Climate Clues From Atop Hawaiian Volcano JPL scientists, satellites and ground-based instruments are contributing to a month-long, university-led experiment on Hawaii's Mauna Loa volcano to track water vapor in Earth's sub-tropics, which affects global temperatures, and rainfall in North America. Read more

	October 21, 2008 Climate Change Seeps Into the Sea Scientists hope a new NASA mission will help them better understand how Earth's ocean swallows the bitter pill known as carbon dioxide. Read more

	October 9, 2008 NASA Maps Shed Light on Carbon Dioxide's Global Nature A NASA/university team has published the first global satellite maps of the key greenhouse gas carbon dioxide in Earth's mid-troposphere, an area about 8 kilometers, or 5 miles, above Earth. Read more

	October 6, 2008 Small Asteroid to Light Up Sky Over Africa An asteroid measuring several feet in diameter is expected to enter the atmosphere over northern Sudan before dawn Tuesday, setting off a potentially brilliant natural fireworks display. Read more

	September 23, 2008 Cool Summer, Warm Future for Southern California Summer 2008 goes down in the books as cooler than normal but don't expect this summer's respite from the heat to continue. Read more

	September 19, 2008 Summer as a Rocket Scientist Six college students on a fellowship program spent their summer at JPL working on a mission that will one day image Earth using technology that is like a "camera on steroids." Read more

	September 17, 2008 Upcoming Lecture: Earthquakes in Southern California Local earthquake scientist Lucy Jones will assess earthquake risks and discuss ongoing steps to prepare for major quakes. The lecture date has changed to Sept. 25 and 26. Read more

	September 13, 2008 Ike Roared Ashore in Texas Hurricane Ike is seen in infrared by NASA's Aqua spacecraft about an hour after making landfall Sept. 13 in Galveston, Texas. Read more

	September 12, 2008 Ike Begins Battering Gulf Coast A monstrously large, extremely dangerous Hurricane Ike is already affecting the Gulf Coast. NASA's Aqua spacecraft took this infrared image early Sept. 12. Read more

	September 11, 2008 QuikScat Maps Historic Sea Ice Changes QuikScat has detected a recent major melting of sea ice (depicted in red and magenta) that is clearing Arctic sea routes. Read more

	September 11, 2008 Ike Advances on the Gulf Coast A very large and growing Hurricane Ike steams toward the Texas coast in this Sept. 11 afternoon infrared image from NASA's Aqua spacecraft. Read more

	September 5, 2008 September Peak Month for Atlantic Hurricanes Why is September the peak month for hurricanes? NASA oceanographer Bill Patzert provides some insights. Read more

	September 5, 2008 East Coast Braces for Hanna's Arrival Purples denote Tropical Storm Hanna's strongest winds (left image) and highest, coldest cloud tops (right image) in these Sept. 5 views from NASA's QuikScat and Aqua spacecraft, respectively. Read more

	September 4, 2008 Unlikable Ike Looms Large Hurricane Ike marches west in this Sept. 4 early morning infrared image from NASA's Aqua spacecraft. Ike is a compact but powerful storm with maximum sustained winds of 217 kilometers (135 miles) per hour. Read more

	September 3, 2008 Hanna and Her Sister While Tropical Storm Hanna moves toward the Bahamas, in the eastern Atlantic, her younger sister, Tropical Storm Josephine, begins her westward trek in these Sept. 3 infrared images from NASA's Aqua spacecraft. Read more

	September 2, 2008 Hanna Goes to Haiti Tropical Storm Hanna follows in Gustav's footsteps, affecting Haiti and the Dominican Republic in this Sept. 2 afternoon infrared image from NASA's Aqua satellite. Hanna is expected to become a hurricane tomorrow and may affect the entire U.S. eastern seaboard by this weekend. Read more

	September 1, 2008 Gustav Grinds Ashore This Sept. 1 early morning infrared image from NASA's Aqua spacecraft shows Hurricane Gustav about six hours before the Category Two storm made landfall in Louisiana. Read more

	August 31, 2008 Gustav Churns Toward Northern Gulf Coast Major Hurricane Gustav continues its northward churn through the Gulf of Mexico in this early morning Aug. 31 infrared image from NASA's Aqua spacecraft. Read more

	August 30, 2008 Gustav Grows, Sets Its Eye on Cuba, Gulf The clearly defined eye of powerful Hurricane Gustav prepares to strike western Cuba in this Aug. 30 afternoon infrared image from NASA's Aqua spacecraft. Read more

	August 29, 2008 Gustav Strengthens in the Caribbean A swirl of purple marks the high, cold clouds atop Hurricane Gustav in this Aug. 29 afternoon image from NASA's Aqua spacecraft. Read more

	August 28, 2008 Will Gustav Dodge the Gulf's Warmest Waters? Tropical Storm Gustav's path through the warm ocean circulation features of the Gulf of Mexico this weekend, shown on this Aug. 28 map created with data from NASA's Jason-1 satellite, may play a significant role in its potential intensification. Read more

	August 25, 2008 Fay's Rains Still Drenching the Southeast While now a tropical depression, Fay continues spreading heavy rain and winds over a wide swath of the U.S. Southeast, as seen in this Aug. 25 afternoon infrared image from NASA's Aqua spacecraft. Read more

	August 22, 2008 Fay Refuses To Fade Tropical Storm Fay, seen in this Aug. 22 afternoon infrared image from NASA's Aqua spacecraft, continues its slow westward trek across northern Florida, heading for the Gulf of Mexico and a probable fourth U.S. landfall. Read more

	August 20, 2008 Fay Stalls Over Florida Tropical Storm Fay, seen in this Aug. 20 afternoon infrared image from NASA's Aqua spacecraft, continues to dump torrential rain over Florida. Read more

	August 19, 2008 Fay Feeds on Florida Tropical Storm Fay engulfs Southern and Central Florida in this QuikScat image taken Tues., Aug. 19, at 7:33 a.m. EDT. Read more

	August 18, 2008 Floridians Prep for Fay's Fury Tropical Storm Fay advances on Florida in this Aug. 18 NASA Aqua infrared image. Fay is expected to make landfall Tuesday. Read more

	August 13, 2008 Portrait of a Warming Ocean, Rising Sea Levels Global sea level is on the rise, but the rise isn't uniform across the ocean. In this image, white and red show where sea level has risen the most; purple and blue where it has dropped. Read more

	August 5, 2008 Edouard Starts Its Trek Deep In the Heart of Texas Edouard, now a tropical depression, has sloshed its way north of Houston on a trek that will take it "deep in the heart of Texas." This infrared NASA Aqua image was taken at 12:17 PDT August 5. Read more

	August 4, 2008 Tropical Storm Edouard Steams Toward Texas/Louisiana Fed by warm Gulf of Mexico waters, Tropical Storm Edouard gathers strength in the northern Gulf, as seen in this infrared image taken early August 4 from NASA's Aqua spacecraft. Read more

	July 30, 2008 Ocean Surface Topography Mission/Jason 2 Begins Mapping Oceans Less than a month after launch, the new NASA-French space agency Jason 2 oceanography satellite has produced its first complete maps. Read more

	July 30, 2008 Quake Demonstrates Ongoing Forecasting Experiment This week's magnitude 5.4 earthquake in Southern California marks another demonstration of an ongoing experiment by a NASA/Department of Energy-funded research team to forecast the location of large earthquakes in California. Read more

	July 24, 2008 Dolly Ready to Say So Long, Dearie to Texas, Hello to Mexico A pair of infrared images from JPL's Atmospheric Infrared Sounder show the progression of now Tropical Storm Dolly from Wednesday afternoon, local time, to early Thursday morning, July 24. Dolly is likely to cause widespread flooding. Read more

	July 23, 2008 Dolly Starts Her Whirl Through South Texas NASA's QuikScat satellite captured Hurricane Dolly in her Tuesday clothes last night at 7:24 p.m. Central Time. Read more

	July 22, 2008 New NASA 'Fire and Smoke' Web Page Shows Latest Fire Views, Research NASA satellites, aircraft and research know-how, including resources and expertise from JPL, comprise a wealth of cutting-edge tools to help firefighters battle wildfires. Read more

	July 22, 2008 Texas Prepares To Say Hello To Dolly A still growing Tropical Storm Dolly bridges the gap of the Gulf of Mexico in this July 22 infrared image from NASA's Aqua satellite. Dolly is expected to make landfall Wednesday as a hurricane. Read more

	July 16, 2008 Ocean Surface a Boon for Extreme Event Forecasts, Warnings For humans in the path of destructive hurricanes and tsunamis, an accurate warning of the pending event is critical for damage control and survival. Read more

	July 9, 2008 Ocean Wind Power Maps Reveal Possible Wind Energy Sources Efforts to harness the energy potential of Earth's ocean winds could soon gain an important new tool: global satellite maps from NASA. Read more

	July 8, 2008 NASA Mission to be Crystal Ball into Oceans' Future, Mirror to the Past Imagine the lives that could be saved from flash floods, and the homes that could be spared from the effects of coastline erosion if only scientists could more accurately predict the dynamics of Earth's often unpredictable oceans. Read more

	July 1, 2008 New Mission Helps Offshore Industries Dodge Swirling Waters Hurricanes aren't the only hazards spinning up in the Gulf of Mexico -- they have a liquid counterpart in the waters below called ocean eddies. Read more

	June 30, 2008 Smoke Shrouds Idyllic California Coast Fires near the scenic California resort of Big Sur burn unchecked in this thermal infrared NASA/JPL satellite image taken Sunday, June 29. Read more

	June 25, 2008 NASA Mission to Answer Lingering Questions From Deep Blue Sea Ocean tides and currents across the globe still hold within their watery grasp the key to unanswered questions about our planet. Read more

	June 25, 2008 Study Zooms In on Ozone Loss A JPL scientist co-authored a study in tomorrow's (June 26) Nature, finding that sea spray and emissions from microscopic ocean plants are destroying ozone in the lower atmosphere over the tropical Atlantic Ocean at a rate 50 percent higher than predicted by climate models. Read more

	June 23, 2008 New NASA Website Focuses on Global Climate Change A new website from NASA's Jet Propulsion Laboratory, Pasadena, Calif., is devoted to educating the public about Earth's changing climate. Read more

	June 20, 2008 NASA Launches Ocean Satellite to Keep a Weather, Climate Eye Open A new oceanography satellite launched on a globe-circling voyage to continue charting sea level, a vital indicator of global climate change. Read more

	June 16, 2008 NASA Mission Poised to Help Us Gauge Our Rising Seas The newest ocean-observing satellite takes flight this week to make precise measurements of rising global sea level. Read more

	June 13, 2008 As Jason 2 Awaits Launch, Jason 1 Marks a Milestone With final preparations underway for next week's launch of NASA's Ocean Surface Topography Mission/Jason 2, its predecessor marks its 30,000th trip around the world to monitor Earth's ocean. Read more

	June 6, 2008 JPL Instrument Surveys Quake Area This image, acquired on June 1, 2008, shows two of the new large landslide dams and lakes, which resulted from the Sichuan earthquake in China, May 12, 2008. Read more

	May 27, 2008 NASA Satellites Illuminate Pollution's Influence on Clouds, Climate Using data from instruments in a constellation of NASA satellites, scientists have discovered that they can see deep inside of clouds. Read more

	May 22, 2008 Conference to Feature JPL Research on Earth's Air and Water JPL scientists will discuss such topics as air quality and Earth's water cycle at next week's American Geophysical Union meeting in Florida. Read more

	May 20, 2008 Joint NASA-French Satellite to Track Trends in Sea Level, Climate A satellite that will help scientists better monitor and understand rises in global sea level is undergoing final preparations for a June 15 launch. Read more

	May 5, 2008 Tropical Cyclone Nargis Rakes Burma The tropical cyclone that devastated Burma over the weekend is seen in this infrared image from the Atmospheric Infrared Sounder. Areas in purple represent the high, cold cloud tops that make up the top of Nargis. Read more

	April 30, 2008 Ocean Survey Spacecraft Arrives at Launch Site A spacecraft designed to continue a long-term survey of Earth's oceans has arrived at Vandenberg Air Force Base, Calif., for final launch preparations. Read more

	April 22, 2008 JPL Earth Scientists Reflect on Earth Day In commemoration of Earth Day on Tuesday, April 22, we asked JPL Earth scientists to reflect on the event and what it means to them. Read more

	April 21, 2008 Larger Pacific Climate Event Helps Current La Nina Linger Boosted by the influence of a larger climate event in the Pacific, one of the strongest La Ninas in many years is slowly weakening but continues to blanket the Pacific Ocean near the equator. Read more

	April 18, 2008 Ocean-Monitoring Satellite One Step Closer to Launch The Ocean Surface Topography Mission/Jason-2 satellite, which will study Earth's weather and climate, is packed for its journey to Vandenberg Air Force Base, California. Launch is set for June 15. Read more

	April 17, 2008 New Atlases Use NASA Data to Chart Ocean Winds Researchers have compiled years of data from NASA's QuikScat satellite to create three new atlases of ocean wind patterns around the globe. Read more

	April 4, 2008 Hawaii's Kilauea Volcano Belches A Toxic Brew The summit of Kilauea volcano on Hawaii's Big Island developed a new vent in March and produced its first explosion in 84 years. The ash plume of the new vent is seen in this pair of recent infrared NASA satellite images. Read more

	April 1, 2008 NASA Launches Airborne Study of Arctic Atmosphere, Air Pollution This month, NASA begins the most extensive field campaign ever to investigate the chemistry of the Arctic's lower atmosphere. Read more

	March 7, 2008 Scientists Solve 50-Year-Old Mystery of Oceans' Seismic 'Buzz' Scientists have solved a 50-year-old mystery by pinpointing a place in the North Atlantic where the energy of crashing ocean waves creates a continuous seismic "buzz." Read more

	March 6, 2008 Home Planet Viewed From Mars NASA's Mars Reconnaissance Orbiter snapped this view of Earth and the moon with its High Resolution Imaging Science Experiment camera. Earth was 142 million kilometers (88 million miles) from Mars at the time. Read more

	February 8, 2008 Ocean-Observing Satellites Help Break Current Records Two different teams of ocean adventurers set records this winter crossing the Tasman Sea. Both used maps of ocean currents made possible by ocean-observing satellites. Read more

	February 8, 2008 CloudSat Profiles Tornado Outbreak The intense thunderstorms responsible for this week's deadly outbreak of tornadoes in Tennessee, Kentucky, Mississippi, Alabama and Arkansas were imaged by the Cloud Profiling Radar on NASA's CloudSat satellite on February 5. Read more

	February 8, 2008 Through the Eye of the Storm: A Look Back at 2007's Hurricane Season NASA satellites were on the watch as the 2007 Atlantic hurricane season unfolded. Read more

	January 31, 2008 NASA Finds Glacial Sediments Adding to Louisiana Coast's Sinking A study by NASA and Louisiana State University scientists finds that sediments deposited into the Mississippi River delta thousands of years ago when North America's glaciers retreated are contributing to the ongoing sinking of Louisiana's coastline. Read more

	January 23, 2008 Antarctic Ice Loss Speeds Up, Nearly Matches Greenland Loss Ice loss in Antarctica increased by 75 percent in the last 10 years due to a speed-up in the flow of its glaciers and is now nearly as great as that observed in Greenland, according to a new, comprehensive study by NASA and university scientists. Read more

	January 17, 2008 NASA Tsunami Research Makes Waves in Science Community A wave of new NASA research on tsunamis may improve existing warning systems and proposes a potentially groundbreaking new theory. Read more

	January 2, 2008 JPL Rose Parade Float Salutes 50 Years of Exploration Planets and spacecraft sprung forth from JPL's float in this year's Rose Parade. The float's theme highlighted the upcoming 50th anniversary of the JPL-designed and built Explorer 1, the first U.S. satellite to orbit Earth. Read more

	December 27, 2007 Countdown to Launch of Jet Propulsion Lab Rose Parade Float Volunteers from JPL are helping with the finishing touches on the Lab's Rose Parade float saluting 50 Years of Space Exploration. Read more

	December 17, 2007 NASA Climate Change 'Peacemakers' Aided Nobel Effort NASA's Earth scientists watched with pride when the 2007 Nobel Peace Prize was awarded to former U.S. Vice President Al Gore and a United Nations panel that spent two decades assessing Earth's changing climate. Read more

	December 12, 2007 NASA Satellites Help Lift Cloud of Uncertainty on Climate Change New findings from NASA's CloudSat and other Earth observing satellites offer important insights into this year's record reduction of Arctic sea ice, global rainfall patterns and the effects of pollution on clouds. Read more

	December 11, 2007 Amazing Grace Team Receives Prestigious Award A mission that has changed the way we study Earth's gravitational forces has been recognized with a prestigious award for helping scientists better understand our home planet. Read more

	November 27, 2007 NASA Evaluates Compact Synthetic Aperture Radar NASA is evaluating a compact L-Band synthetic aperture radar for potential use on unmanned aircraft. Read more

	November 13, 2007 NASA Sees Arctic Ocean Circulation Do an About-Face PASADENA, Calif. -- A team of NASA and university scientists has detected an ongoing reversal in Arctic Ocean circulation triggered by atmospheric circulation changes that vary on decade-long time scales. Read more

	November 9, 2007 NASA Satellite Captures Witch Fire's Aftermath The extent of San Diego's Witch fire, the most destructive of the recent wildfires in Southern California, is depicted in this new image from the Advanced Spaceborne Thermal Emission and Reflection Radiometer. (Nov. 8) Read more

	November 8, 2007 Bubbly Little Star In this processed Spitzer Space Telescope image, baby star HH 46/47 can be seen blowing two massive "bubbles." The star is 1,140 light-years away from Earth. Read more

	November 7, 2007 La Nina Persists The tropical Pacific Ocean remains in the grips of a cool La Nina, as shown by new data of sea-level heights from mid-October of 2007, collected by the U.S-French Jason altimetric satellite Read more

	November 1, 2007 NASA Data May Help Improve Estimates of a Hurricane's Punch As Tropical Storm Noel churns off Florida's east coast, NASA and university scientists have announced they have developed a promising new technique for estimating the intensity of tropical cyclones from space. Read more

	October 23, 2007 NASA Views Southern California Fires and Winds With a click of the mouse button, the public can see NASA views from space, including some at Google Earth, of Southern California's raging wildfires and the ferocious Santa Ana winds that are driving them. Read more

	October 2, 2007 First Contact: Sputnik To say the least, it was incredible. The news relayed by the voice on the other end of the phone line hit the president of the San Gabriel Valley Radio Club like a blow to the head. Read more

	October 1, 2007 NASA Examines Arctic Sea Ice Changes Leading to Record Low in 2007 A new NASA-led study found a 23-percent loss in the extent of the Arctic's thick, year-round sea ice cover during the past two winters. Read more

	September 18, 2007 Scientists Conduct First Global Study of a Poisonous Gas in Earth's Atmosphere A JPL scientist has participated in the first-ever study of the global distribution of phosgene, a poisonous gas present in small quantities in Earth's atmosphere. The information will be useful for assessing progress in controlling chemicals that destroy Earth's protective ozone layer. Read more

	September 13, 2007 NASA Watches Ozone Layer Amid Montreal Protocol's Success NASA scientists will join researchers from around the world to celebrate the 20th anniversary of the Montreal Protocol, an international treaty designed to reduce the hole in Earth's protective ozone layer, Sept. 23 to 26 in Athens, Greece. Read more

	September 5, 2007 Henriette Set for Second Mexican Landfall Hurricane Henriette sloshes into the Gulf of California's warm waters in this Sept. 5 image from the Atmospheric Infrared Sounder on NASA's Aqua satellite. The Category One storm is forecast to make landfall along the coast of mainland Mexico later today, and could bring some rain to the U.S. Southwest. Read more

	September 4, 2007 Felix the Cat. (5) Claws at Central America Hurricane Felix scratches at Nicaragua's coast in this Sept. 4 image from NASA's QuikScat satellite. The image was acquired just 45 minutes before Felix hissed ashore as a Category 5 storm with sustained winds of 258 kilometers (160 miles) per hour. White arrows showing wind direction are superimposed on color images of wind speed. Read more

	August 22, 2007 Dean Moves Over Central Mexico Tropical storm Dean moves into southern and central Mexico in this August 22 image from the Atmospheric Infrared Sounder on NASA's Aqua satellite. While the storm is beginning to disintegrate, Dean is still expected to produce heavy rainfall. Read more

	August 21, 2007 A Weakened Dean Heads Into the Gulf of Mexico After barrelling through Mexico's Yucatan Peninsula, a weakened Hurricane Dean emerges into the Gulf of Mexico in this latest image from the Atmospheric Infrared Sounder on NASA's Aqua satellite. Dean is expected to regain some strength before making landfall again in central Mexico. Read more

	August 20, 2007 A Mean Dean Takes Aim on Mexico's Yucatan Hurricane Dean, expected to become a Category Five storm with maximum sustained winds of at least 135 knots (155 miles per hour), steams toward a projected landfall in Mexico's Yucatan Peninsula. In this Aug. 20 NASA QuikScat image, white arrows showing wind direction are superimposed on color images of wind speed. Read more

	August 15, 2007 Erin Rarin' To Soak Texas Tropical Storm Erin lurks off the Texas coast in this August 15 image from the Atmospheric Infrared Sounder on NASA's Aqua satellite. Erin is forecast to drench the Texas coast with three to five inches of rain. Read more

	August 8, 2007 California Fire Seen by JPL Instrument The Zaca fire continued to burn in the Los Padres National Forest near Santa Barbara, Calif., as seen in this image taken on Aug. 7. The view was captured by a JPL instrument on NASA's Terra satellite. Read more

	August 6, 2007 New Study Links Sunspot Activity, Heavy Rains in East Africa A new study co-authored by a JPL researcher shows that sunspot cycles can be used to predict heavy rains, flooding and subsequent outbreaks of disease in East Africa. Read more

	July 25, 2007 New NASA AIRS Data to Aid Weather, Climate Research Newly available data from the Atmospheric Infrared Sounder on NASA's Aqua spacecraft are providing better tools for climate scientists. Read more

	July 25, 2007 New Tool Uses NASA Data To Show Changes in Earth's Landscape A new tool from the U.S. Geological Survey uses NASA satellite data to depict changes to Earth's surface over the past 30 years. Read more

	July 2, 2007 Satellite Spots Location of Revere's Historic Ride Lexington and Concord, Mass., two cities that played key roles in America's Revolutionary War, are imaged in this image by a JPL instrument on NASA's Terra satellite. Read more

	June 28, 2007 JPL Instrument Images Lake Tahoe Fire The Advanced Spaceborne Thermal Emission and Reflection Radiometer captured the Lake Tahoe, Calif., fire from space June 27. Burned areas are in gray. Read more

	June 27, 2007 NASA To Study Underexplored Earth Atmospheric Region JPL will participate in a NASA summer study of a largely unexplored region of Earth's atmosphere that has implications for climate change and atmospheric ozone. Read more

	June 11, 2007 NASA Scientist Finds a New Way to the Center of the Earth A new NASA study proposes a novel technique to pinpoint more precisely the location of Earth's center of mass and how it moves through space. Read more

	June 7, 2007 Rare Cyclone Sweeps Arabian Sea NASA's QuikScat captured Tropical Cyclone Gonu, the strongest such storm to hit the Arabian Peninsula since record-keeping began in 1945. White arrows show wind direction; colors denote wind speeds. Read more

	May 31, 2007 Satellites Track Human Exposure to Fine Particle Pollution The unique abilities of NASA instruments to track tiny particles of air pollution may aid public health efforts. Read more

	May 23, 2007 JPL Instrument Maps Carbon Dioxide From Space JPL's Atmospheric Infrared Sounder instrument on NASA's Aqua spacecraft is being used by scientists to observe atmospheric carbon dioxide. This global map shows concentrations of carbon dioxide in the troposphere (about eight kilometers, or five miles, above Earth). Read more

	May 18, 2007 JPL Welcomes Public to Open House This Weekend Robots, spacecraft models, 3D-images and more. Take a journey to the planets and beyond at JPL's Open House, Sat. and Sun., 9 a.m. to 5 p.m. Scientists and engineers will be here to answer your questions. Admission is free. Read more

	May 15, 2007 NASA Finds Vast Regions of West Antarctica Melted in Recent Past A team of NASA and university scientists has found clear evidence that extensive areas of snow melted in west Antarctica in January 2005 in response to warm temperatures. Read more

	May 14, 2007 Cudahy, Glendale Schools Join Unique Partnership With NASA NASA has announced that Theodore Roosevelt Middle School, Glendale, Calif.; and Ellen Ochoa Learning Center, Cudahy, Calif., have been selected to begin a special three-year partnership with the space agency as NASA Explorer Schools. Read more

	May 10, 2007 CloudSat Tracks Atlantic Hurricane Season's First Named 2007 Storm Two NASA satellites flew over the center of then Subtropical Storm Andrea Wednesday, May 9, off the U.S. southeast coast. In the CloudSat image (bottom), brighter colors indicate more water in the clouds. Read more

	May 4, 2007 Weather and Climate Watcher Celebrates Five Years in Orbit JPL's Atmospheric Infrared Sounder instrument on NASA's Aqua spacecraft has significantly advanced weather forecasting and is measuring many of the key atmospheric gases that affect our climate. Read more

	May 2, 2007 Volcanic Eruptions in Kamchatka One of the most volcanically active regions of the world is the Kamchatka Peninsula in eastern Siberia, Russia. JPL's Advanced Spaceborne Thermal Emission and Reflection Radioneter (Aster) recently captured these images of two volcanoes, erupting simultaneously, 80 kilometers (50 miles) apart. Read more

	April 30, 2007 CloudSat Campaign Helps Unravel Polar Climate Secrets Researchers have confirmed what NASA's CloudSat and Calipso satellites are telling us about how changes in clouds can affect climate in Earth's coldest regions. Read more

	April 26, 2007 Forecast Sunny as Cloud Mission Celebrates One Year A year after launch, NASA's CloudSat mission is providing insights into how clouds form, evolve and affect our weather, climate and freshwater supply. Read more

	April 5, 2007 Heavy '04-'05 Rains Caused San Gabriel Valley to Expand Using high-tech earthquake monitoring instruments, NASA, the U.S. Geological Survey and other partners found LA's San Gabriel Valley rose and bulged outward following near-record rains in 2004-05. Read more

	April 4, 2007 Sun Activity Affects Global Positioning System An intense radio burst from an unprecedented solar eruption last December had widespread effects on the Global Positioning System. Read more

	April 3, 2007 NASA Finds Arctic Replenished Very Little Thick Sea Ice in 2005 A new NASA study has found that in 2005 the Arctic replaced very little of the thick sea ice it normally loses and replenishes each year. Read more

	March 28, 2007 Golden State Heating Up, New NASA/University Study Finds Average temperatures in California rose almost one degree Celsius (nearly two degrees Fahrenheit) during the second half of the 20th century, according to a new study. Read more

	March 23, 2007 Gravity Measurements Help Melt Ice Mysteries Greenland is cold and hot. It's a deep freezer storing 10 percent of Earth's ice and a subject of fevered debate. Read more

	March 21, 2007 'Cool' Science: JPL Observes International Polar Year Within the frozen confines of Earth's polar regions lie secrets -- clues scientists believe can help unravel some of the mysteries that drive Earth's climate. Read more

	March 19, 2007 NASA Finds Sun-Climate Connection in Old Nile Records Since the time of the pharaohs in ancient Egypt, the water levels of the Nile were accurately measured. These are now a unique resource for climatologists. Read more

	March 15, 2007 At Five, Grace Continues To Amaze The twin satellites of NASA's Gravity Recovery and Climate Experiment celebrate their fifth anniversary this week. They've improved our knowledge of Earth's gravity field by more than 100 times and are helping to revolutionize our understanding of Earth's climate. Read more

	March 2, 2007 Pacific Shows Signs of Morphing to Cool La Nina New data of sea-level heights from early February 2007, by the Jason satellite show that the tropical Pacific Ocean has transitioned from a warm (El Niño) to a cool (La Niña) condition during the prior two months. Read more

	February 27, 2007 Celebrating Black History Month: A Navigator David Jefferson has helped navigate JPL spacecraft to their exotic destinations -- Mars and two comets. Read more

	February 26, 2007 Sensor Being Developed to Check for Life on Mars NASA-funded researchers are refining a tool that could give clues to the origin of any traces of life's molecular building blocks on Mars. Read more

	February 14, 2007 Celebrating Black History Month: An Earth Scientist Christopher Boxe isn't yet 30 years old, but he's already become an expert in the field of environmental science. Read more

	February 6, 2007 Satellites and Sea Lions: Working Together to Improve Ocean Models The best oceanographers in the world never studied at a university. Yet they know how to navigate expertly along oceanic fronts, the invisible boundaries between waters of different temperatures and densities. Read more

	January 31, 2007 A NASA Space Sleuth Hunts the Trail of Earth's Water For the first time, NASA scientists have used a shrewd spaceborne detective to track the origin and movement of water vapor throughout Earth's atmosphere. Read more

	January 31, 2007 Pack Your Backpack Calling all explorers! Tour JPL with our new Virtual Field Trip site. Stops include Mission Control and the Rover Lab. Cool space images and souvenirs are included in your visit. Read more

	January 17, 2007 A Tale of Two Sites: Impacts of Relocating L.A.'s Weather Station To modern-day climatologists, Charles Dickens' "A Tale of Two Cities" could serve as a metaphor for weather records in Los Angeles since the the city's official downtown weather station was relocated. Read more

	January 12, 2007 NASA Presentations at the 87th American Meteorological Society Annual Meeting NASA researchers, including several from NASA's Jet Propulsion Laboratory, Pasadena, Calif., will present findings on a variety of Earth science topics at the 87th American Meteorological Society Annual Meeting, which runs Jan. 14 through Jan. 18, in San Antonio, Texas. Read more

	January 10, 2007 QuikScat Shows Sea/Atmospheric Conditions at Time of Two Java Sea Disasters Ocean winds data from NASA's QuikScat satellite shed new insights into the atmospheric conditions present during recent air and sea disasters in the Java Sea. Read more

	December 14, 2006 NASA Tropical Ozone Studies Yield Surprises Two new NASA-funded studies of ozone in the tropics using NASA satellite data not previously available are giving scientists a fuller understanding of the processes driving ozone chemistry and its impacts on pollution and climate change. Read more

	December 12, 2006 NASA Outlines Recent Changes in Earth's Freshwater Distribution Recent space observations of freshwater storage by the Gravity Recovery and Climate Experiment are providing a new picture of how Earth's most precious natural resource is distributed globally and how it is changing. Read more

	December 11, 2006 Moulin 'Blanc': NASA Expedition Probes Deep Within a Greenland Glacier JPL Research scientist Dr. Alberto Behar took in the "show" at the moulin this summer. But unlike Paris' famous Moulin Rouge, the star of this moulin was Mother Nature herself, presenting a dazzling display of moving water and ice. Read more

	December 7, 2006 Jason Ocean Mapping Mission Turns Five Five years after launch, the joint NASA/French space agency Jason mission continues precisely measuring the hills and valleys of the ocean surface, expanding our knowledge of ocean circulation, monitoring global sea level variations, improving weather and climate predictions and much more. Read more

	December 7, 2006 NASA Study Suggests Quake Forecasts May Be on the Horizon A new university study funded in part by NASA's QuakeSim project finds that large earthquakes in California tend to cluster in time and could potentially be forecast within a window of two to three years. Read more

	November 30, 2006 Purveyors of the Cosmic 'Occult' To a non-scientist, the words 'radio occultation' might sound a little spooky. But this relatively simple NASA-developed technology at the heart of a new satellite network named Cosmic is proving to be a powerful new tool for weather and climate forecasting. Read more

	November 9, 2006 Esperanza Fire Near Palm Springs The Esperanza fire started on October 26 in the dry brush near Palm Springs, Calif. By the time it was contained 6 days later, the fire had consumed 40,200 acres, and destroyed 34 homes and 20 outbuildings. Five firefighters died trying to protect homes. Read more

	October 31, 2006 New JPL Site Takes a Step Back in Time JPL's new history site spans 70 years of exploration, from early rocket motor tests and the first U.S. satellite to present-day space exploration pursuits. Read more

	October 25, 2006 JPL and UCLA Team to Study Southern California's Weather, Climate, Environment A new JPL-UCLA Joint Institute will strive to better understand and predict regional environmental and climate change and support future space missions. Read more

	October 19, 2006 2006 Antarctic Ozone Hole Largest On Record New NASA and NOAA data, including chemical maps from JPL's Microwave Limb Sounder, confirm that this year's Antarctic ozone hole is the largest on record. Read more

	October 12, 2006 Does Your Ocean Have a Fever? A new NASA website provides up-to-date information on global sea surface temperatures, used to monitor ocean currents, climate change and hurricane development. Read more

	October 10, 2006 JPL's Gentry Lee Honored With Masursky Award Gentry Lee, Chief Engineer for the Planetary Flight Systems Directorate of JPL has been awarded the prestigious Harold Masursky Award, presented by the American Astronomical Society's Division for Planetary Sciences. Read more

	October 5, 2006 In the Pacific, 'The Child' Awakens El Nino, a cyclical warming of the tropical Pacific Ocean that can profoundly affect weather worldwide, appears to be in its early stages of development, according to scientists at NASA and NOAA. Read more

	October 3, 2006 JPL Instrument Sees 'Day' Fire This infrared image of the Day fire burning in Southern California was acquired by the Advanced Spaceborne Thermal Emission and Reflection Radiometer on NASA's Terra satellite at 10 p.m. Pacific Time, Sept. 28. Read more

	September 25, 2006 NASA Study Tracks Global Sources, Transport of Air Pollution A NASA and university study of ozone and carbon monoxide pollution in Earth's atmosphere is providing unique insights into the sources of these pollutants and how they are transported around the world. Read more

	September 21, 2006 Short-Term Ocean Cooling Suggests Global Warming 'Speed Bump' The average temperature of the water near the top of Earth's oceans has significantly cooled since 2003. New research suggests global warming trends are not always steady in their effects on ocean temperatures. Read more

	September 13, 2006 NASA Sees Rapid Changes in Arctic Sea Ice NASA data show that Arctic perennial sea ice, which normally survives the summer melt season and remains year-round, shrunk abruptly by 14 percent between 2004 and 2005. Read more

	September 6, 2006 Smoke Plume Dispersal from the World Trade Center Disaster The collapse of the World Trade Center on September 11, 2001, and the fires that followed produced a noxious smoke plume, a complex mixture of tiny airborne particles and gases. Read more

	August 30, 2006 NASA, NOAA Data Indicate Ozone Layer is Recovering A new study using NASA and National Oceanic and Atmospheric Administration (NOAA) data finds consistent evidence that Earth's ozone layer is on the mend. Read more

	August 25, 2006 CloudSat Catches Eye of Ileana These two images are from two different satellites, giving a top-down and sideways view of Hurricane Ileana as she spins in the eastern Pacific on Aug. 23, 2006. The bottom view is from the JPL-managed CloudSat mission. Read more

	August 11, 2006 Typhoon Saomai Seen by Atmospheric Infrared Sounder This is an infrared image of Typhoon Saomai taken by the Atmospheric Infrared Sounder on NASA's Aqua satellite on August 10, 2006. This image shows the temperature of the cloud tops or the surface of the Earth in cloud-free regions. Read more

	July 26, 2006 NASA Africa Mission Investigates Origin, Development of Hurricanes Scientists from NASA, the National Oceanic and Atmospheric Administration, universities and international agencies will study how winds and dust conditions from Africa influence the birth of hurricanes in the Atlantic Ocean. Read more

	July 25, 2006 NASA's CloudSat Captures Hurricane Daniel's Transformation Hurricane Daniel intensified between July 18 and July 23rd. NASA's new CloudSat satellite was able to capture and confirm this transformation in its side-view images of Hurricane Daniel as seen in this series of images. Read more

	July 14, 2006 CloudSat Gets Acquainted With Bud Hurricane Bud, churning in the Pacific off the western coast of Mexico, was captured in this July 12 image from NASA's CloudSat satellite (lower panel). The top image is from a geostationary imager. The red and purple areas in the CloudSat image indicate the presence of large amounts of cloud water or precipitation. Read more

	July 5, 2006 NASA Satellites Find Balance in South America's Water Cycle For the first time, NASA scientists using space-based measurements have directly monitored and measured the complete cycle of water movement for an entire continent. Read more

	June 28, 2006 NASA Satellite Positioning Software May Aid in Tsunami Warnings University scientists using Global Positioning System (GPS) software developed by JPL have shown that GPS can determine, within minutes, whether an earthquake is big enough to generate an ocean-wide tsunami. Read more

	June 14, 2006 NASA Missions Help Dissect Sea Level Rise Sea level isn't, well, level. Nor is the rate by which sea level has been rising over the past few decades, but the trend is clearly up. Read more

	June 12, 2006 CloudSat Peers Inside Tropical Storm Alberto Tropical Storm Alberto is dissected in this June 12 image (top) from NASA's new CloudSat satellite. In comparison to two views from National Weather Service tools (lower images), CloudSat saw a broader and more vertical view of the the storm. Heavy rainfall is seen where the horizontal green line at the bottom of the CloudSat image disappears. Read more

	June 6, 2006 First Images From NASA'S Cloudsat Have Scientists Sky-High The first images from NASA's new CloudSat satellite are already revealing never-before-seen 3-D details about clouds. Read more

	June 1, 2006 Jason Satellite Shows Calm Pacific The latest remote sensing data from the NASA/French Jason satellite show near normal conditions across the equatorial Pacific Ocean. As we enter the Atlantic Ocean hurricane season, there are currently no visible signs in sea surface height of either El Niño or La Niña. Read more

	May 22, 2006 NASA Instrument Provides New Data on Floods and Droughts A NASA instrument designed primarily to measure winds on the ocean surface is turning out to have other abilities over land that may help in both flood and drought situations. Read more

	May 18, 2006 JPL Instrument Tracks Dust From China Dust Storm Large dust storms emanating from northwestern China's Inner Mongolia region traveled eastward and caused the worst period of air pollution in six years in Beijing. JPL's Atmospheric Infrared Sounder aboard NASA's Aqua satellite helped track the dust. Read more

	May 9, 2006 Tibet Provides Passage for Chemicals to Reach the Stratosphere NASA and university researchers have found that thunderstorms over Tibet provide a main pathway for water vapor and chemicals to travel from the lower atmosphere, where human activity directly affects atmospheric composition, into the stratosphere, where the protective ozone layer resides. Read more

	May 4, 2006 La Niña Not Expected To Affect 2006 Atlantic Hurricane Season NASA oceanographers concur that the recent La Niñ a in the Pacific Ocean is not expected to have an effect on the 2006 Atlantic hurricane season, which starts June 1. Normally, a La Niña tends to increase Atlantic hurricane activity and decrease Pacific Ocean hurricanes. Read more

	April 28, 2006 NASA Launches Satellites for Weather, Climate, Air Quality Studies Two NASA satellites were launched Friday from Vandenberg Air Force Base, Calif., on missions to reveal the inner secrets of clouds and aerosols, tiny particles suspended in the air. Read more

	April 27, 2006 NASA's CloudSat and Calipso Launch Rescheduled for Friday The launch of NASA's CloudSat and Calipso satellites from Vandenberg Air Force Base, Calif., has been rescheduled for Friday morning, April 28, at 3:02 a.m. PDT. Weather is not expected to be a concern for Friday's launch. Read more

	April 25, 2006 NASA's CloudSat and Calipso Launch Postponed NASA's CloudSat and Calipso launch from Vandenberg Air Force Base, Calif., was scrubbed Tuesday shortly before 3 a.m. PDT due to higher than allowable upper level wind conditions. The next launch attempt is tentatively set for Wednesday, April 26, at 3:02 a.m. PDT. Weather is a concern for Wednesday's launch attempt. The forecast calls for a 40 percent probability of acceptable weather conditions. Read more

	April 23, 2006 CloudSat and Calipso Sunday Morning Launch Postponed The Sunday morning launch of NASA's CloudSat and Calipso from Vandenberg Air Force Base, Calif., has been postponed. Mission managers are reviewing the next available launch opportunity. The refueling aircraft required to maintain the radar tracking plane was unavailable to support a launch attempt on Sunday. Image credit: NASA/Bill Ingalls + Larger view of image Read more

	April 23, 2006 CloudSat and Calipso Launch Rescheduled for April 25 The launch of NASA's CloudSat and Calipso has been rescheduled for Tuesday, April 25. Launch is set for 3:02 a.m. Pacific, from Vandenberg Air Force Base, Calif. The current weather forecast calls for a 90 percent probability of acceptable weather conditions. Image credit: NASA/Bill Ingalls + Larger view Read more

	April 21, 2006 NASA's CloudSat and Calipso Launch Postponed to Sunday The launch of NASA's CloudSat and Calipso spacecraft has been rescheduled for Sunday, April 23, at 3:02 a.m. PDT from Vandenberg Air Force Base, Calif. The current weather forecast calls for an 80 percent probability of acceptable weather conditions. Read more

	April 21, 2006 NASA's CloudSat and Calipso Launch Rescheduled The launch of NASA's CloudSat and Calipso satellites is rescheduled for Saturday, April 22. Launch is set for 3:02 a.m. PDT. Today's launch was scrubbed at T-48 seconds due to loss of the primary and backup phone communications between the Mission Directors' Center at Vandenberg and the Centre National d'Etudes Spatiales Space Command in Toulouse, France. The communications loss is being evaluated. Read more

	April 19, 2006 Cloud-Observing Missions Prep for April 21 Launch NASA's CloudSat and Calipso spacecraft prepare for launch on Apr. 21, 3:02 a.m. Pacific, aboard the same Boeing Delta rocket. After achieving orbit, the two craft will separate. CloudSat, managed by JPL, and Calipso will study the role that clouds and aerosols play in regulating Earth's weather, climate and air quality. Read more

	April 17, 2006 A Century of Quake Research In the early morning hours of April 18, 1906, a violent earthquake shook San Francisco and the surrounding area. A new interactive Flash feature, video and podcast explore the impact this quake has had on current earthquake research. Read more

	April 15, 2006 U.S.-Taiwan Satellite Constellation Launches A globe-spanning constellation of six weather and climate research satellites based on global positioning system occultation technology developed at JPL successfully launched from Vandenberg Air Force Base, Calif., Friday, April 14. Read more

	April 13, 2006 NASA Technology Spawns Weather, Climate Satellite Constellation A globe-spanning constellation of six weather and climate research satellites based on a novel application of NASA-developed technology is set to launch from Vandenberg Air Force Base, Calif., Friday, April 14. Read more

	April 13, 2006 Cloud-Observing Missions Prep for April 21 Launch NASA's CloudSat and CALIPSO spacecraft are lifted at Space Launch Complex 2 at Vandenberg Air Force Base, Calif., in preparation for integration with the Boeing Delta II launch vehicle. The spacecraft will study the role that clouds and aerosols play in regulating Earth's weather, climate and air quality. + CloudSat news \| + Mission home + CALIPSO home Read more

	April 11, 2006 NASA Joins Partners for Ocean Surface Topography Mission NASA has signed an agreement with other U.S. and international agencies to launch the Ocean Surface Topography Mission in 2008. Read more

	March 20, 2006 Scientists Use Satellites to Help Detect Deep-Ocean Whirlpools Marine scientists have figured out a way to see through the ocean's surface and detect what's below, with the help of satellites. Read more

	March 2, 2006 NASA Mission Detects Significant Antarctic Ice Mass Loss The first-ever gravity survey of the entire Antarctic ice sheet, conducted using data from the NASA/German Aerospace Center Gravity Recovery and Climate Experiment (Grace), concludes the ice sheet's mass has decreased significantly from 2002 to 2005. Read more

	March 1, 2006 Tsunami Disaster Studies Force Rethinking of Quakes Two newly published studies of the December 2004 Sumatra-Andaman earthquake shed new insights on the fault rupture that caused the quake and have implications for where such giant quakes are likely to occur in the future. + Image caption + Full story from Caltech Read more

	February 16, 2006 Greenland Ice Loss Doubles in Past Decade, Raising Sea Level Faster The loss of ice from Greenland doubled between 1996 and 2005, as its glaciers flowed faster into the ocean in response to a generally warmer climate, according to a NASA/University of Kansas study. Read more

	February 2, 2006 Scientists Surf the Seas of Space to Catch an Atmospheric Wave A study by NASA and university scientists is shedding new light on a mysterious, cyclical wave in Earth's atmosphere that at times profoundly affects our planet's weather and climate. Read more

	January 26, 2006 Student-Built Buoy Launches Ocean Studies A student-built buoy, launched this month, will send back data on ocean temperatures that will be available to scientists and students around the world. Read more

	January 5, 2006 NASA's Topex/Poseidon Oceanography Mission Ends The joint NASA/Centre National d'Etudes Spatiales Topex/Poseidon oceanography satellite ceased operations after nearly 62,000 orbits of Earth. Read more

	January 5, 2006 Topex/Poseidon Sails Off Into the Sunset After a remarkable 13-year voyage of discovery, Topex/Poseidon, the first great oceanographic research vessel to sail into space, ended its mission this month. Read more

	December 20, 2005 NASA's Grace Finds Greenland Melting Faster, 'Sees' Sumatra Quake In the first direct, comprehensive mass survey of the entire Greenland ice sheet, scientists using data from the NASA/German Aerospace Center Gravity Recovery and Climate Experiment (Grace) have measured a significant decrease in the mass of the Greenland ice cap. Grace is a satellite mission that measures movement in Earth's mass. Read more

	December 2, 2005 Mars Express Radar Instrument Reveals Martian Subsurface A U.S.-Italian radar instrument aboard the European Space Agency's Mars Express has peered deep below the surface. Early results from the Mars Advanced Radar for Subsurface and Ionospheric Sounding reveal buried craters and reservoirs of ice. The top image shows radar data from the subsurface. The lower image shows the location on a topographic map of the area. (Dec. 2) + JPL's Mars Express site Read more

	November 2, 2005 Radar Sees More 'Cat Scratches' and Hones in on Huygens Landing Site The Cassini spacecraft flew by Saturn's moon Titan on Oct. 28, 2005, capturing new radar views that show the Huygens probe landing site and a series of dunes that extend thousands of kilometers across Titan's surface. These so called "cat scratches," curve around teardrop-shaped bright terrain, giving the impression of a Japanese garden of sand raked around boulders. + 'Cat scratches' Read more

	October 26, 2005 Tracking Hurricane Wilma Across the Caribbean These images from the Multi-angle Imaging SpectroRadiometer on NASA's Terra satellite depict Hurricane Wilma's cloud top heights at different stages in the life cycle of the then rapidly intensifying storm. Such data may prove useful for evaluating the ability of numerical weather models to predict the intensity changes of hurricanes. Read more

	October 24, 2005 Wilma's Cold Eye Stares Down on the Caribbean The cold cloud tops of powerful Hurricane Wilma are evident in this infrared image acquired by the Atmospheric Infrared Sounder instrument on NASA's Aqua satellite. Cooler areas are depicted in purple, with warmer areas in red. Read more

	October 24, 2005 Looking Back at Spirit's Trail to the Summit Before moving on to explore more of Mars, NASA's Mars Exploration Rover Spirit looked back at the long and winding trail of twin wheel tracks the rover created to get to the top of "Husband Hill." Spirit, seen in the lower right, spent several days in October 2005 at this location. Read more

	October 21, 2005 Wilma's Winds Whip Mexico's Yucatan The eye of Hurricane Wilma, a menacing Category 4 storm, approaches the northeastern tip of Mexico's Yucatan Peninsula in this October 21 image from NASA's QuikScat satellite, depicting relative wind speeds and direction. The storm is projected to make landfall in south Florida on Monday. + Storm animation for 2005 hurricane season + Related image: Trek Through Warm Caribbean/Gulf Waters + Related image: Cold Eye Stares Down on the Caribbean Read more

	October 14, 2005 NASA Satellite Monitors Post-Hurricane Gulf Coast Flood Potential Data from NASA's QuikScat satellite are being used to monitor changes in surface water resulting from Hurricanes Katrina and Rita in the Mississippi River basin. In these images, the colors represent increases in surface soil moisture resulting from rainfall. Read more

	October 13, 2005 New Forecast of San Francisco Earthquake Risk Released Nearly 100 years after the 1906 Great San Francisco earthquake, a new computer simulation by scientists at JPL; the University of California, Davis; and other institutions concludes the region has a 25 percent chance of a magnitude 7 or greater temblor in the next 20 years. + UC Davis news release + Full report (PDF) Read more

	October 12, 2005 Mission Sees Landslide From Pakistan Earthquake Last weekend's Pakistan earthquake caused a massive landslide in the mountains of Kashmir, as captured in this Oct. 11th image from a JPL instrument. Read more

	September 26, 2005 Close Look at Tethys Cassini's weekend flyby of Saturn's moon Tethys is providing close-up views of the moon's speckled surface. Raw images are now available. Read more

	September 23, 2005 Researchers Explore Mystery of Hurricane Formation This past summer NASA researchers headed off to Costa Rica to learn more about the birth of hurricanes and to test some of the latest weather technology. Read more

	September 23, 2005 NASA Data Helps Track Heat Potential Fueling Rita The path of Hurricane Rita is indicated with circles representing storm intensity, spaced every 3 hours. Altimeters like that on NASA's Jason satellite provide critical data to estimate the ocean heat potential of the Gulf waters that increase hurricane intensity. Read more

	September 22, 2005 Rita Roars Through a Warm Gulf - Updated Image This sea surface height map of the Gulf of Mexico, with the Florida peninsula on the right and the Texas-Mexico Gulf Coast on the left, shows the expected path of Hurricane Rita. Read more

	September 22, 2005 Rita's Rising Waters Threaten the Gulf Coast The Gulf Coast from the Mississippi Delta through the Texas coast is shown in this satellite image from NASA's Moderate Resolution Imaging Spectroradiometer overlain with data from the Shuttle Radar Topography Mission, and the predicted storm track for Hurricane Rita. Read more

	September 21, 2005 Rita Roars Through a Warm Gulf This sea surface height map of the Gulf of Mexico, with the Florida peninsula on the right and the Texas-Mexico Gulf Coast on the left, shows the expected path of Hurricane Rita. Read more

	September 20, 2005 Astrobiologists at Work Astrobiologists study everything about life in the universe, including how it originated, how it might be distributed in the universe, and what might be its fate. Read more

	September 15, 2005 NASA Will Reveal Secrets of Clouds and Aerosols Two NASA satellites, planned for launch no earlier than Oct. 26, will give us a unique view of Earth's atmosphere. CloudSat and Cloud-Aerosol Lidar and Infrared Pathfinder Satellite Observations (Calipso) are undergoing final preparations for launch from Vandenberg Air Force Base, Calif. Read more

	September 15, 2005 Lights! Camera! Action! Science! An astrobiologist's search for signs of life in extreme environments landed her at the bottom of the ocean with Oscar-winning director James Cameron and a role in his film "Aliens of the Deep." Read more

	September 14, 2005 New Orleans, Before and After Katrina Seventeen days after Hurricane Katrina flooded New Orleans, much of the city is still under water. Read more

	September 2, 2005 NASA's Science Resources Help Agencies Respond to Katrina NASA science instruments and Earth-orbiting satellites are providing detailed insight about the environmental impact caused by Hurricane Katrina. Read more

	August 30, 2005 JPL Instrument Tracks Katrina's Northward Path From early this morning, the remnants of (now Tropical Depression) Katrina were centered on the Mississippi-Tennessee border. Read more

	August 29, 2005 New Orleans Topography The city of New Orleans and a simulated animation come from the Shuttle Radar Topography Mission. Read more

	August 24, 2005 NASA/NOAA Announce Major Weather Forecasting Advancement NASA and the National Oceanic and Atmospheric Administration today outlined research that has helped to improve the accuracy of medium-range weather forecasts in the Northern Hemisphere. Read more

	August 18, 2005 A Broader Vision of Discovery Blind students explore Mars with computer skills and adventurers' hearts. Read more

	August 9, 2005 The Rather Large Spacecraft That Could Just like that fabled little engine, this tenacious spacecraft just won't give up! Read more

	August 5, 2005 August Launch to Mars Is Topic for Scientist's Public Talk The project scientist for NASA's next mission to Mars, Dr. Richard Zurek, will share information and pictures about the upcoming mission during a free public lecture in Florida. Read more

	July 22, 2005 Where's the Heat? Think 'Deep Blue' Figuring out the ocean's heat content and measuring it over time isn't easy. Read more

	July 7, 2005 NASA Satellites Measure and Monitor Sea Level For the first time, NASA has the tools and expertise to understand the rate at which sea level is changing, some of the mechanisms that drive those changes and the effects that sea level change may have worldwide. Read more

	July 5, 2005 NASA's Opportunity Rover Rolls Free on Mars Engineers and mission managers for NASA's Mars Exploration Rover mission cheered when images from the Martian surface confirmed Opportunity had successfully escaped from a sand trap. Read more

	June 2, 2005 NASA Spacecraft Measures Unusual 2005 Arctic Ozone Conditions Despite near-record levels of chemical ozone destruction in the Arctic this winter, observations from NASA's Aura spacecraft showed that other atmospheric processes restored ozone amounts to near average and stopped high levels of harmful ultraviolet radiation from reaching Earth's surface. Read more

	May 20, 2005 NASA's AcrimSat Solar Spacecraft Completes Five-Year Mission A NASA satellite that measures the variability in the amount of the Sun's energy that reaches Earth's atmosphere and impacts our winds, land and oceans has successfully accomplished its five-year primary mission. Read more

	May 19, 2005 LA's 'Big Squeeze' Continues, Straining Earthquakes New NASA research confirms that northern metropolitan Los Angeles is being squeezed at a rate of 5 millimeters (0.2 inches) a year, straining an area between two earthquake faults that serve as geologic bookends north and south of the affected region. Read more

	May 16, 2005 NASA's CloudSat Spacecraft Arrives at Launch Site A NASA spacecraft designed to reveal the inner secrets of Earth's clouds has arrived at Vandenberg Air Force Base, Calif., to begin final launch preparations. Read more

	April 1, 2005 Making Measurements That Count JPL's Dr. Helen Worden helps turn raw satellite observations into measurements that tell us more about some important gases in the air we breathe than we have known before. Read more

	March 18, 2005 Here Comes the Rain...Again It's raining again in Southern California, even though most of the west is having a drought. Read more

	March 17, 2005 NASA Researchers Use Imaging Radar to Detect Coastal Pollution A NASA-funded study of marine pollution in Southern California concluded space-based synthetic aperture radar can be a vital observational tool for assessing and monitoring ocean hazards in urbanized coastal regions. Read more

	March 10, 2005 A Tale of Two El Niños For some, an El Niño means a welcome respite from bitter winter weather. For others, it can bring lashing rains and devastating floods. Read more

	January 19, 2005 New NASA Imagery Sheds Additional Perspectives On Tsunami Newly released imagery from three NASA spaceborne instruments sheds valuable insights into the Indian Ocean tsunami that resulted from the magnitude 9 earthquake southwest of Sumatra on December 26. Read more

	January 11, 2005 NASA/French Satellite Data Reveal New Details of Tsunami For the first time, orbiting satellites have observed and measured a major tsunami event in open ocean, the Indian Ocean tsunami that resulted from the magnitude 9 earthquake southwest of Sumatra on December 26. Read more

	January 10, 2005 NASA Details Earthquake Effects on the Earth NASA scientists using data from the Indonesian earthquake calculated it affected Earth's rotation, decreased the length of day, slightly changed the planet's shape, and shifted the North Pole by centimeters. Read more

	January 6, 2005 NASA Goes 'Down Under' for Shuttle Mapping Mission Finale Culminating more than four years of processing data, NASA and the National Geospatial-Intelligence Agency have completed Earth's most extensive global topographic map. Read more

	December 14, 2004 NASA'S Aura Satellite Sheds new Light On Air Quality and Ozone Hole NASA scientists announced the agency's Aura spacecraft is providing the first daily, direct global measurements of low-level ozone and many other pollutants affecting air quality. Read more

	December 2, 2004 NASA Study Links Wind and Current Changes to Indian Ocean Warming A NASA study suggests changing winds and currents in the Indian Ocean during the 1990s contributed to the observed warming of the ocean during that period. Read more

	October 4, 2004 Earthquake Forecast Program Has Amazing Success Rate A NASA-funded earthquake forecast program has an amazing track record. Published in 2002, the Rundle-Tiampo Forecast has accurately forecast the locations of 13 of California's 14 largest earthquakes this decade, including last week's tremors. Read more

	September 23, 2004 Scientists Report Increased Thinning of West Antarctic Glaciers Glaciers in West Antarctica are shrinking at a rate substantially higher than was observed in the 1990s. They are losing 60 percent more ice into the Amundsen Sea than they accumulate from inland snowfall. Read more

	September 21, 2004 Glaciers Surge When Ice Shelf Breaks Up Since 2002, when the Larsen B ice shelf broke away from the coast of the Antarctic Peninsula, scientists have witnessed profound increases in the flow of nearby glaciers into the Weddell Sea. These observations were made possible through NASA, Canadian and European satellite data. Read more

	September 17, 2004 Coming Down From the Clouds Dr. Michelle Santee studies clouds - in particular, polar stratospheric clouds, which have an important role in the development of the "ozone hole" over Antarctica. Read more

	September 14, 2004 Frances, Ivan Contribute to Hurricane Studies Seen through the eyes of the Multi-angle Imaging SpectroRadiometer aboard NASA's Terra satellite, the menacing clouds of Hurricanes Frances and Ivan provide a wealth of information that can help improve hurricane forecasts. Read more

	September 9, 2004 NASA's Grace Gravity Mission Weighs in on Earth's Changing Climate For the first time, scientists have demonstrated that precise measurements of Earth's changing gravity field can effectively monitor changes in the planet's climate and weather. Read more

	August 18, 2004 Scientists Study Desert Air to Understand Weather and Climate NASA, Naval Research Laboratory and Scripps Institution of Oceanography scientists have assembled in the Arabian Desert to study tiny airborne particles called aerosols and their effect on weather and climate. Read more

	August 18, 2004 Free Talks Focus on Link Between Carbon Dioxide and Climate Carbon dioxide is the focus of a pair of free, public lectures to be held at NASA's Jet Propulsion Laboratory in Pasadena on Thursday, Aug. 19, and at Pasadena City College on Friday, Aug. 20. Read more

	August 4, 2004 Aura Post-launch Status Report Activation of the Aura spacecraft, launched July 15, is continuing, with the mission going very well so far. Read more

	August 2, 2004 Scientists’ Showdown with Soil Moisture at the O.K. Corral Tombstone, Ariz., is a dusty place known for Wyatt Earp's famous 1881 "Shootout at the O.K. Corral." This year, from August 2 to 27, it will be known as the place where scientists from NASA, the U.S. Department of Agriculture, the National Oceanic and Atmospheric Administration, and other institutions gather and study soil moisture to improve weather forecasts and the ability to interpret satellite data. Read more

	July 30, 2004 Keeping Current With Ocean Currents Imagine a place where the roads change constantly and last month's map may be completely out of date. That's the ocean. Read more

	July 20, 2004 Apollo 11 Experiment Still Going Strong after 35 Years It was the summer of '69. Director John Schlesinger's "Midnight Cowboy" had won the Oscar for Best Picture; the Rolling Stones' newly released "Honky Tonk Women" was climbing the charts; 400,000 people were gearing up to attend Woodstock…and America landed on the Moon, making "one giant leap for mankind." Read more

	July 15, 2004 Aura Spacecraft Launched to Better Understand the Air We Breathe Aura, a mission dedicated to the health of Earth's atmosphere, successfully launched today from tVandenberg Air Force Base, Calif., aboard a Boeing Delta II rocket. Read more

	July 14, 2004 From the Field Take a group of strangers, put them in a harsh environment, and give them a challenging mission to accomplish -- scientists who do field research have much more experience with this than reality television producers ever will. Read more

	June 17, 2004 NASA Data Offer a Safari into Vast African Topography Newly released topographic data from NASA and the National Geospatial-Intelligence Agency provide 21st century explorers new ways to traverse the wonders of Africa, the Arabian Peninsula and Madagascar. Read more

	June 4, 2004 NASA's New Satellite Takes on Global Climate Change Although there have been satellites measuring Earth's atmosphere since the 1970's, most have been designed for weather forecasting. Climate studies, which require the detection of subtle trends and changes that can take years to appear, require a new generation of spaceborne instruments. Read more

	May 17, 2004 NASA Plans to Put an Aura Around the Earth On June 19, NASA will launch Aura, a next generation Earth- observing satellite. Aura will supply the best information yet about the health of Earth's atmosphere. Read more

	April 23, 2004 Arctic Ozone Loss More Sensitive to Climate Change Than Thought A cooperative study involving NASA scientists quantifies, for the first time, the relationship between Arctic ozone loss and changes in the temperature of Earth's stratosphere. Read more

	April 22, 2004 NASA Arctic Sea Ice Study May Stir Up Climate Models Contrary to historical observations, sea ice in the high Arctic undergoes very small, back and forth movements twice a day, even in the dead of winter. Read more

	April 5, 2004 NASA'S Aura Satellite Delivered to Launch Site NASA's Aura spacecraft, the latest in the Earth Observing System series, has arrived at Vandenberg Air Force Base, Calif., to begin launch preparations. Read more

	March 11, 2004 NASA Satellite Finds Something Fishy About Santa Ana Winds Southern California's legendary Santa Ana winds wreak havoc every year, creating hot, dry conditions and fire hazards. Despite their often-destructive nature, a study of the "Devil Winds," conducted using data from NASA's Quick Scatterometer (Quikscat) spacecraft and its SeaWinds instrument shows the winds have some positive benefits. Read more

	March 8, 2004 Getting Down to Earth on Mars What can scientists learn about Mars by studying Earth? How do the ocean planet and the red planet differ, and how are they alike? These are some of the questions posed by students during a recent field trip to NASA's Jet Propulsion Laboratory in Pasadena, Calif. Read more

	March 5, 2004 Volcanic Rock in Mars' Gusev Crater Hints at Past Water NASA's Spirit has found hints of a water history in a rock at Mars' Gusev Crater, but it is a very different type of rock than those in which NASA's Opportunity found clues to a wet past on the opposite side of the planet. Read more

	March 3, 2004 NASA Embarks on a Sweeping Airborne Expedition An international team of scientists from NASA and other research institutions embarked on a three-week expedition of discovery that will take them from the lush, dense rain forests of Central America to the frigid isolation of Antarctica. Read more

	February 9, 2004 Scientists Find Ozone-Destroying Molecule Using measurements from a NASA aircraft flying over the Arctic, Harvard University scientists have made the first observations of a molecule that researchers have long theorized plays a key role in destroying stratospheric ozone, chlorine peroxide. Read more

	January 29, 2004 NASA Satellites Help Improve Ocean Condition Forecasts Freighters, cruise lines, marine rescuers and coastal managers are among those who could benefit from prototype three-dimensional, three- day ocean condition forecasts created with the assistance of NASA satellite data, computer models and on-site ocean measurements. Read more

	January 28, 2004 Space Shuttle Challenger Crew Memorialized on Mars NASA announced plans to name the landing site of the Mars Opportunity rover in honor of the Space Shuttle Challenger's final crew. Read more

	January 28, 2004 Pacific Dictates Droughts and Drenchings The cooler and drier conditions in Southern California over the last few years appear to be a direct result of a long-term ocean pattern known as the Pacific Decadal Oscillation, according to research presented recently at the 2004 meeting of the American Meteorological Society. Read more

	January 23, 2004 New NASA Data Release Invites You to Explore Two Vast Continents Marco Polo. Alexander the Great. They were some of history's most prolific explorers, each trekking across sweeping stretches of Europe and Asia in their lifetimes. Read more

	January 6, 2004 NASA's New Studies of Earth's Seas, Skies and Soils They're carbonated, salty, and alternately wet and dry. Exotic champagnes? No, they're NASA's three Earth System Science Pathfinder small-satellite program missions: Orbiting Carbon Observatory, Aquarius and Hydros. Read more

	January 6, 2004 Space Shuttle Columbia Crew Memorialized on Mars NASA Administrator Sean O'Keefe today announced plans to name the landing site of the Mars Spirit rover in honor of the astronauts who died in the tragic accident of the Space Shuttle Columbia in February. Read more

	December 10, 2003 NASA Scientists Discover Spring Thaw Makes a Difference Using a suite of microwave remote sensing instruments aboard satellites, scientists at NASA’s Jet Propulsion Laboratory, Pasadena, Calif., and the University of Montana, Missoula, have observed a recent trend of earlier thawing across the northern high latitudes. Read more

	December 5, 2003 The Measure of Water: NASA Creates New Map for the Atmosphere NASA scientists have opened a new window for understanding atmospheric water vapor, its implications for climate change, and ozone depletion. Read more

	December 5, 2003 NASA Scientists Use Radar to Detect Asteroid Force NASA scientists have for the first time detected a tiny but theoretically important force acting on asteroids by measuring an extremely subtle change in a near-Earth asteroid’s orbital path. Read more

	December 4, 2003 Progress, Promise in Space-based Earthquake Research Nearly 10 years after Los Angeles was shaken by the devastating, magnitude 6.7 Northridge earthquake, scientists at NASA and other institutions say maturing space-based technologies, new ground-based techniques and more complex computer models are rapidly advancing our understanding of earthquakes and earthquake processes. Read more

	October 22, 2003 JPL Engineer in a Class of Her Own Dr. Ayanna Howard, an electrical engineer at NASA's Jet Propulsion Laboratory, Pasadena, Calif., has been selected as one of the top 100 innovators by Massachusetts Institute of Technology Review Magazine. Read more

	October 16, 2003 South American Glaciers Melting Faster, Changing Sea Level The Patagonia Icefields of Chile and Argentina, the largest non-Antarctic ice masses in the Southern Hemisphere, are thinning at an accelerating pace and now account for nearly 10 percent of global sea-level change from mountain glaciers, according to a new study by NASA and Chile's Centro de Estudios Cientificos. Read more

	September 23, 2003 Early Arctic Thaw Could Have Chilling Effect Spring will be coming early next year to the great forests and tundra of the Arctic. Good for the vegetation, but perhaps not so good for the atmosphere. Read more

	September 10, 2003 NASA Satellites Sample Hurricane 'Ingredients' to Help Forecasters Every year, from June 1 to November 30, the Atlantic Ocean becomes a meteorological mixing bowl, replete with all the needed ingredients for a hurricane recipe. Read more

	August 27, 2003 As Sea Level Rises, Beaches Shrink The increase looks small, but the consequences are potentially huge. Rising sea level threatens to inundate low-lying regions, such as the Chesapeake, and dramatically increase coastal and beach erosion around the world. Read more

	August 22, 2003 Earth Has a New Look A brand new look and understanding of the place we call home. Read more

	August 13, 2003 NASA Satellites Eye Forest Fires If a forest catches fire and no one is around to see it, can it call for help? Read more

	July 21, 2003 USA-France Tandem Satellite Mission Serving Up Fresh Sea Fare Take one well-seasoned oceanography satellite, the joint NASA-Centre National d'Etudes Spatiales (French Space Agency) Topex/Poseidon, nearing its 11th year in orbit to study the world's ocean circulation and its effect on climate, mix in a fresh sibling satellite, Jason, and add a dash of ingenuity, and you get what scientists are calling the Jason-Topex/Poseidon tandem mission. Read more

	July 21, 2003 Oceanographers Catch First Wave of Gravity Mission's Success The joint NASA-German Aerospace Center Gravity Recovery and Climate Experiment (Grace) mission has released its first science product, the most accurate map yet of Earth’s gravity field. Grace is the newest tool for scientists working to unlock secrets of ocean circulation and its effects on climate. Read more

	July 1, 2003 Hawaiian Telescope Team Makes Debut Discovery Astronomers have observed a young star ringed by a swirling disc that may spin off planets, marking the first published science observation using two linked 10-meter (33- foot) telescopes in Hawaii. Read more

	June 27, 2003 At 25, Remembering a Trendsetting Seafaring Satellite It only skippered the seas of space for a mere three months, but just as Gilligan's "three-hour tour" has continued on in syndication for decades, a salty satellite launched to study the oceans 25 years ago this week by NASA's Jet Propulsion Laboratory, Pasadena, Calif., is living on through the many missions it has spawned. Read more

	June 19, 2003 South America Shines in NASA's Latest Space Radar Map Release Straddling the equator and engaged in a titanic clash of great tectonic plates, South America is home to some of the worlds most scenic landscapes. Read more

	June 19, 2003 New Maps Open Roads to Research Aalto's special interest is rivers and how they transport mass -- taking rock away from some places and adding to others. Read more

	May 22, 2003 First-Ever Snapshot Released of Mother Earth from Mars Have you ever wondered what you would see if you were on Mars looking at Earth through a small telescope? Read more

	May 22, 2003 New NASA Computer Models May Lead to Quake Forecast System Advanced computer simulation tools now being developed by NASA and university researchers may soon give scientists new insights into the complex and mysterious physics of earthquakes and enable vastly improved earthquake forecasting. Read more

	April 29, 2003 New NASA Data Helps Take 'Whether' Out of Weather Prediction Your weatherperson's job just got a little easier, thanks to new data now available from advanced weather instruments aboard NASA's Aqua satellite. Read more

	April 29, 2003 Breaking the Typhoon Rules Storms like Typhoon Varmei aren't supposed to happen. So when U.S. Navy ships were hit by this tropical cyclone in the South China Sea in December 2001, researchers at the Naval Postgraduate School, Monterey, Calif., decided to take a closer look. Read more

	April 22, 2003 Transforming Teachers into NASA Astronauts Students and the public are encouraged to help NASA recruit teachers who can create out-of-this-world ways to educate students. Read more

	April 15, 2003 NASA and Naval Research Lab to Study Coastal Eddies NASA and the Naval Research Laboratory will take a closer look at the swirling water phenomenon known as coastal eddies when they fly a specially-instrumented NASA airborne sciences DC-8 jet off the Southern California coast this month. Read more

	April 14, 2003 Peril in Peru? NASA Takes a Look at Menacing Glacier An Earth-monitoring instrument aboard NASA's Terra satellite is keeping a close eye on a potential glacial disaster-in-the-making in Peru's spectacular, snow-capped Cordillera Blanca (White Mountains), the highest range of the Peruvian Andes. Read more

	March 28, 2003 NASA Finds Wide Annual Fluctuations in Arctic Ozone Loss Ozone depletion over Earth's Arctic region varies widely from year to year in its amount, timing and pattern of loss. Read more

	March 20, 2003 Students Join Scientists in the Snowy Rockies Via Live Webcasts The team is studying snowpack from the ground, air and space this winter and spring to improve forecasts of springtime water supply and snowmelt floods. Read more

	March 18, 2003 NASA Astronaut Encourages Students in Los Angeles NASA astronaut and former National Football League player, Leland Melvin, will make several public appearances in the Los Angeles area this week to explain NASA's Educator Astronaut program and encourage interest among young people in science, technology, engineering and mathematics. Read more

	March 6, 2003 A 'Smoking Gun' for Dinosaur Extinction Chicxulub, located on Mexico's Yucatan peninsula, eluded detection for decades because it was hidden (and at the same time preserved) beneath a kilometer of younger rocks and sediments. Read more

	February 24, 2003 NASA's Newest SeaWinds Instrument Breezes into Operation One of NASA's newest Earth-observing instruments, the SeaWinds scatterometer aboard Japan's Advanced Earth Observing Satellite 2 (Adeos 2) Read more

	February 20, 2003 NASA Solves Half-Century Old Moon Mystery In the early morning hours of Nov. 15, 1953, an amateur astronomer in Oklahoma photographed what he believed to be a massive, white-hot fireball of vaporized rock rising from the center of the Moon's face. Read more

	February 19, 2003 Free Lectures Feature New Weather and Climate Tools Human nature yearns to understand our planet's weather and how we affect it. Read more

	February 19, 2003 NASA's Mars Odyssey Points to Melting Snow as Cause of Gullies Images from the visible light camera on NASA's Mars Odyssey spacecraft, combined with images from NASA's Mars Global Surveyor, suggest melting snow is the likely cause of the numerous eroded gullies first documented on Mars in 2000 by Global Surveyor. Read more

	February 12, 2003 NASA Scientist Clears the Fog on Gloomy Summers The word California invokes many images: miles of sunny beaches, streets lined with swaying palm trees, mountains that touch the great blue sky and cold nights filled with thick, dense fog. Read more

	February 7, 2003 NASA El Niño Expert to Speak at Long Beach Weather Fair As a dry Southern California braces for a possible return to wet weather next week, a NASA oceanographer known for studying how Earth's oceans affect our weather and climate and govern the El Niño/La Niña phenomena will present a free public lecture titled Read more

	February 7, 2003 Space Sensors Sample Brews from Earth's Volcanic Cauldrons Think of them as the Good Witches of the North, South, East and West, whizzing around the globe daily on their techno "broomsticks" in space. Read more

	February 5, 2003 Satellite Helps Scientists See Quake Effects in Remote Areas The unique capabilities of a NASA Jet Propulsion Laboratory-built and managed instrument aboard an Earth-observing satellite have allowed researchers to view effects of a major earthquake that occurred in 2001 in Northern India near the border of Pakistan. Read more

	January 22, 2003 Workers at Australian Site Save Space Antennas from Wildfire Australian antennas of NASA's Deep Space Network used for communicating with spacecraft are back in normal operation after a close call with wildfires that destroyed hundreds of homes and took four lives in the Canberra area. Read more

	January 16, 2003 What's Shakin' in Space Quake Research? Find Out at Free Talks Nine years to the week after the magnitude 6.7 Northridge earthquake, a NASA Jet Propulsion Laboratory geophysicist who foresaw the likelihood of a large quake there will share the latest developments in space-based quake research at a pair of free, public lectures. Read more

	January 16, 2003 NASA Mission Will Look at Clouds from Both Sides CloudSat, the most advanced radar designed to measure the properties of clouds, will provide the first global measurements of cloud thickness, height, water and ice content, and a wide range of precipitation data linked to cloud development. The Earth System Science Pathfinder Mission is expected to improve weather forecasting and advance our understanding of key climate processes during its two-year design lifetime. Read more

	January 13, 2003 NASA Instrument Captures Early Antarctic Ice Shelf Melting An international research team using data from NASA's SeaWinds instrument aboard the Quick Scatterometer spacecraft has detected the earliest yet recorded pre-summer melting event in a section of Antarctica's Larsen Ice Shelf. Read more

	January 7, 2003 Getting the Big Picture on Houston's Air Pollution Now the Multi-angle Imaging SpectroRadiometer, an instrument that flies on NASA's Terra satellite and is managed by the Jet Propulsion Laboratory, is stepping in to help researchers find out exactly where, how much and what type of pollution is in Houston. Read more

	January 2, 2003 Earth and Asteroid Play Orbital Cat and Mouse Game The first asteroid discovered to orbit the Sun in nearly the same path as Earth will make its closest approach to our planet this month before scurrying away for 95 years. Read more

	December 13, 2002 Launch Gives Weather Forecasters Twin Wind Watchers Weather and climate forecasters will double their pleasure, thanks to today's successful launch of NASA's SeaWinds scatterometer instrument. Read more

	December 11, 2002 Jason Mission Status The joint NASA-French Space Agency oceanography satellite Jason is set to embark on the science phase of its scheduled five-year voyage to study ocean circulation and its effect on climate. Read more

	December 11, 2002 Researchers Control Love-Hate Relationship Between Atoms Research that makes ultra-cold atoms extremely attractive to one another may help test current theories of how all matter behaves - a breakthrough that might lead to advanced transportation systems, more efficient energy sources and new tests of astrophysical theories. Read more

	December 10, 2002 SeaWinds Tracks Antarctic Ice Escapades The SeaWinds instrument has changed all that. SeaWinds is a scatterometer flying on NASA's QuikScat satellite. A second SeaWinds instrument will launch on Japan's Advanced Earth Observation Satellite 2 on December 13. Read more

	December 9, 2002 Santa's Revealing Home Photos Released by NASA He may see us when we're sleeping, know when we're awake, and know if we've been bad or good, but thanks to new images from NASA, we can now catch a rare, behind-the-scenes glimpse of some of Santa Claus' summer estates. Read more

	December 9, 2002 Ridge Catches Sunset, Lava Spreads in Io Views from Galileo In one newly released image of Jupiter's moon Io from NASA's Galileo spacecraft, a mountain ridge named Mongibello, three-fourths as tall as Mount Everest, gleams from the rays of an otherworldly sunset. Read more

	November 26, 2002 NASA Awards Caltech Five-Year JPL Contract NASA has awarded the California Institute of Technology a new five-year contract to manage the Jet Propulsion Laboratory. Read more

	November 20, 2002 NASA Prepares for 'Last Chance' Meteor Shower Read more

	November 20, 2002 NASA Prepares for 'Last Chance' Meteor Shower A NASA mission to gather particles shed by the Sun is now operating under the management of Donald Sweetnam of NASA's Jet Propulsion Laboratory, Pasadena, Calif. Read more

	November 18, 2002 Where on Earth Is Mars? Researchers interested in what makes the red planet tick can’t study the planet in person—at least not yet. To help them interpret what they see in Mars images and other remote sensing data--and to test their instruments and procedures--they turn to Earth. Read more

	November 13, 2002 How to Sort Science Fact from Science Fiction The facts and fiction of space exploration will be discussed in a pair of free public lectures Read more

	November 8, 2002 JPL Missions Chosen for Popular Science Magazine Award NASA’s unprecedented work in Space Science and Earth Science captured three of Popular Science’s “Best of What’s New Awards” Read more

	November 6, 2002 NASA Research Offers Explanation for Earth's Bulging Waistline The team of researchers sought to find a climatic reason for the dramatic changes in Earth's gravity field observed since 1997. Read more

	November 1, 2002 Cassini-Huygens Mission Status A successful test of the camera on NASA's Cassini spacecraft has produced images of Saturn 20 months before the spacecraft arrives at that planet. Read more

	November 1, 2002 NASA Images Show Calmer Side of Italy's Fiery Mount Etna The last major eruption of Europe's highest active volcano, located on the island of Sicily, was in 1992. Read more

	October 30, 2002 Red Freckles on Europa Suggest 'Lava Lamp' Action Reddish spots on the icy surface of Jupiter's moon Europa may indicate pockets of warmer ice rising from below. Read more

	October 30, 2002 Camera Eyes Dusty Spirals in Milky Way Center Many technologies developed at NASA’s Jet Propulsion Laboratory, Pasadena, Calif., have skyrocketed on Earth due to strategic business alliances. Read more

	October 29, 2002 Jupiter Orbiter Nears First Visit to Small Moon, Dusty Ring As Galileo approaches Jupiter, it will skim past Amalthea at 06:19 on Nov. 5, Universal Time (10:19 p.m. Nov. 4, Pacific Standard Time). Read more

	October 25, 2002 NASA Sponsors Student Robotics Competition Heavy metal will rock -- and roll -- at seven different locations across the country early next year. Read more

	October 23, 2002 NASA to Develop Biohazard 'Smoke' Detector Researchers have demonstrated a prototype device that automatically and continuously monitors the air for the presence of bacterial spores. Read more

	October 22, 2002 Shuttle Radar Clears the Air on Central America's Topography The image depicts all of Central America-Belize, Costa Rica, El Salvador, Guatemala, Honduras, Nicaragua and Panama-plus southern Mexico and portions of Cuba and Jamaica. Read more

	October 14, 2002 NASA Navigation Work Yields Science, Civil, Commerce Benefits NASA researchers have demonstrated the ability to very precisely navigate airplanes in real time Read more

	October 11, 2002 Chaos Seen in Movement of Ring-Herding Moons of Saturn Scientists have a new explanation for weird movements of two small moons Read more

	October 8, 2002 'Cat's Eye' Images Show Cold Hole Over Jupiter's North Pole The Hubble Space Telescope is managed by the Space Telescope Science Institute, Baltimore, Md. Read more

	September 30, 2002 Northridge Quake Activity Has Apparently Subsided, Says NASA The Northridge fault surprised residents of greater Los Angeles with a magnitude 6.7 earthquake on January 17, 1994 Read more

	September 23, 2002 NASA-Built Atomic Clock Does the Time Warp, Again "If I could save time in a bottle..." Read more

	September 12, 2002 New Gravity Mission on Track to Map Earth's Shifty Mass Six months into its mission to precisely measure Earth's shifting water masses and map their effects on Earth's gravity field, the joint NASA-German Aerospace Center Gravity Recovery and Climate Experiment, or Grace, is already producing results of considerable interest. Read more

	September 9, 2002 Earning Seal of Approval for New Weather Data There’s no Food and Drug Administration approval for satellite data, no consumer-style rating. So, how do the people who want to use data from a new instrument know they can trust it? Read more

	August 14, 2002 Students Ride the Wave of JPL Research How did you spend your summer vacation? A group of college students working at JPL will have a unique answer to that mundane question when they head back to school this fall. Read more

	August 8, 2002 Celebrating Ten Years of Ocean Observations Topex/Poseidon is a little satellite that could. Launched on August 10, 1992, the joint U.S.- French spacecraft was designed to fly for three to five years. This week it celebrates its 10th anniversary and is still going strong. Read more

	July 22, 2002 The Science of Surfing - Surfers Use Satellites to Chase Big Waves Surf forecasters are now using near real-time meteorological data from satellites to find big waves. Read more

	May 20, 2002 NASA Radar to the Rescue A stormy night, a small plane crashes in the mountains. The search can't start until daylight, and the bad weather may cause more delays. Read more

	April 22, 2002 A Clear Collaboration in Lake Tahoe Clear water - Lake Tahoe is famous for it. But over the past 40 years, the lake has been losing its clarity, and the reasons why are murky. Read more

	April 16, 2002 Dr. Edward Olsen, Astronomer and Earth Scientist Edward Olsen started his science career as an astronomer looking outward at the universe, but now he has turned his focus in the other direction - inward towards Earth. Read more

	March 18, 2002 Building Better Forecasts Meteorologists around the world will soon have access to more and better data about Earth's atmosphere thanks to a new NASA instrument planned for launch this spring. Read more

	March 7, 2002 Grace Space Twins Set to Team Up to Track Earth's Water and Gravity NASA and the German Space Agency are preparing to launch the Gravity Recovery and Climate Experiment (GRACE), a scientific pathfinder mission that will test a novel approach to tracking how water is transported and stored within the Earth's environment. Read more

	February 25, 2002 From Russia With Grace Owens is one of a small group of engineers from JPL and Astrium, the German company that built the two Grace satellites, who have come to Russia to oversee the final preparations before launch. Read more

	February 6, 2002 Kids Explore Earth, Olympic Style Earthly wonders on display in a small children’s museum have spread worldwide with the help of NASA and JPL. Beginning this week, visitors will be treated to a new exhibit at the future home of the Children’s Museum of Utah in Salt Lake City, called "Wal Read more

	January 22, 2002 All Days Are Not Created Equal All days are not created equal. Some don't just seem longer than others -- they are. Read more

	December 3, 2001 Seals, Sea Lions and Satellites Figuring out what a northern fur seal has eaten recently can be a messy business, says fisheries biologist Jeremy Sterling of the National Oceanic and Atmospheric Administration's National Marine Mammal Laboratory in Seattle, Wash. Read more

	November 12, 2001 20 years of Shuttle Imaging Radar Launched Nov. 12, 1981, the Shuttle Imaging Radar-A flew as an idea and an assemblage of spare parts from the 1978 Seasat Synthetic Aperture Radar. Read more

	October 1, 2001 Getting the Lowdown on Gravity More than 300 years after Newton started thinking about apples, gravity is on Dr. Michael Watkins' mind, too. Read more

	August 24, 2001 Earth's Coral Reefs in Danger Flooding, mud slides and destructive storms of the great El Niño of 1997-98 made the headlines, but some of the worst devastation took place quietly out-of-sight under water on the world's coral reefs. Read more

	August 9, 2001 Ocean Mission Celebrates Ninth Year Like "The Little Engine That Could," Topex/Poseidon just keeps chugging along in orbit taking the pulse of our oceans. August 10 marks the 9th anniversary of the launch of this remarkable satellite, which has revolutionized our understanding of the oceans. Read more

	January 29, 2001 Archaeologists Dig Space While picks, shovels, mesh screens and fine brushes for cleaning tiny shards of pottery are still classic tools of the archaeology trade, so are high tech tools like global positioning systems, remote sensing instruments and satellites. Read more

	January 1, 2001 Andrea Donnellan, Geophysicist Exploring Earth Donnellan is one of JPL's movers and shakers in Earth science, keeping tabs on seismic activity, particularly in frozen terrain. Read more