All News Articles

	November 25, 2009 Prometheus Plays Tug of War with One of Saturn's Rings The diminutive moon Prometheus whips gossamer ice particles out of Saturn's F ring in this image taken by the Cassini spacecraft on Aug. 21, 2009. 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 Cassini Captures Ghostly Dance Of Saturn's Northern Lights In the first video showing the auroras above the northern latitudes of Saturn, Cassini has spotted the tallest known "northern lights" in the solar system, flickering in shape and brightness high above the ringed planet. 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 24, 2009 Team Plans Uplink of Protective Files The team operating NASA's Mars Reconnaissance Orbiter plans to uplink protective files to the spacecraft next week as one step toward resuming the orbiter's research and relay activities. 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 23, 2009 Spitzer Telescope Observes Baby Brown Dwarf NASA's Spitzer Space Telescope has contributed to the discovery of the youngest brown dwarf ever observed -- a finding that, if confirmed, may solve an astronomical mystery about how these cosmic misfits are formed. Read more

	November 23, 2009 Free Spirit: Third Extrication Drive Ends With Wheel Stall Spirit experienced a wheel stall with the right-rear wheel during the second step of a two-step drive on Sol 2092 (Saturday, Nov. 21). Read more

	November 23, 2009 Wise a Bit Closer to the Sky NASA's Wide-field Infrared Survey Explorer, or Wise, is now perched atop its rocket in preparations for a Dec. 9 liftoff. Read more

	November 21, 2009 Cassini Sends Back Images of Enceladus as Winter Nears NASA's Cassini spacecraft has sailed seamlessly through the Nov. 21 flyby of Saturn's moon Enceladus and started transmitting uncalibrated temperature data and images of the rippling terrain. Read more

	November 20, 2009 Popular Science and Popular Mechanics Magazines Honor Kepler NASA's planet-hunting Kepler space telescope has earned the 2009 Best of What's New Grand Award from Popular Science and a 2009 Breakthrough Award from Popular Mechanics. Read more

	November 19, 2009 Before Darkness Falls: Cassini to Scan Enceladus on Winter's Cusp NASA's Cassini spacecraft will fly by Saturn's moon Enceladus this weekend for a last peek at the intriguing "tiger stripes" before winter darkness blankets the area for several years. Read more

	November 19, 2009 Cassini's Big Sky: The View from the Center of Our Solar System When NASA's Cassini spacecraft began orbiting Saturn five years ago, a dozen highly-tuned science instruments set to work surveying, sniffing, analyzing and scrutinizing the Saturnian system. Read more

	November 18, 2009 Second Planned Extrication Drive is Straight Ahead Again Because the first extrication drive for Spirit, on Sol 2088 (Nov. 17), stopped as soon as it began due to an exceeded tilt limit, the plan for an extrication drive on Sol 2090 (Nov. 19) will essentially be a repeat of the first drive plan, but with improved rover attitude knowledge. Read more

	November 18, 2009 NASA Provides Venerable Hubble Hardware to Smithsonian Two key instruments from NASA's Hubble Space Telescope have a new home in the Smithsonian's National Air and Space Museum in Washington after being returned to Earth aboard space shuttle Atlantis last May. Read more

	November 17, 2009 Tilt Parameters End First Extrication Drive The preliminary results from the first extrication drive for Spirit on Sol 2088 (Nov. 17, 2009) indicate the rover stopped less than 1 second after it began, sensing more vehicle lateral tilt than permitted. Read more

	November 17, 2009 NASA and Microsoft Allow Earthlings to Become Martians NASA and Microsoft Corp. of Redmond, Wash., have collaborated to create a Web site for Internet users to advance their knowledge about Mars while having fun at the same time. Read more

	November 17, 2009 NASA's Wise Gets Ready to Survey the Whole Sky NASA's Wide-field Infrared Survey Explorer, or Wise, is chilled out, sporting a sunshade and getting ready to roll. Read more

	November 16, 2009 Team Prepares to Uplink Commands to Spirit Team Prepares to Uplink Commands to Spirit. Today (Monday, Nov. 16), driving commands are being prepared to instruct Spirit to attempt to drive forward. Read more

	November 13, 2009 Rosetta Completes Final Earth Flyby On its way to a 2014 rendezvous with comet 67P/Churyumov-Gerasimenko, the European Space Agency's Rosetta spacecraft, with JPL instruments on board, flew past Earth today to pick up energy. Read more

	November 13, 2009 Ghostly 'Spokes' Puff Out From Saturn's Ring's Massive, bright clouds of tiny ice particles hover above the darkened rings of Saturn in an image captured by the Cassini spacecraft on Sept. 22, 2009, around the time of Saturn's equinox. Read more

	November 13, 2009 Dawn Enters Asteroid Belt -- For Good NASA's Dawn spacecraft re-entered our solar system's asteroid belt today, Nov. 13, and this time it will stay there. Read more

	November 12, 2009 NASA to Begin Attempts to Free Sand-Trapped Mars Rover NASA will begin transmitting commands to its Mars exploration rover Spirit on Monday as part of an escape plan to free the venerable robot from its Martian sand trap. 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 12, 2009 Distal Rampart of Crater in Chryse Planitia An example of a rampart crater is the ridge in this image from the High Resolution Imaging Science Experiment (HiRISE) camera on NASA's Mars Reconnaissance Orbiter. Read more

	November 11, 2009 WISE Is Chilling Out Engineers are busy cooling the science instrument on NASA's Wide-field Infrared Survey Explorer, or WISE. Read more

	November 10, 2009 NASA's Great Observatories Celebrate International Year of Astronomy A never-before-seen view of the turbulent heart of our Milky Way galaxy is being unveiled by NASA today. This event will commemorate the 400 years since Galileo first turned his telescope to the heavens in 1609. 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

	November 5, 2009 Take Me Out to the Ballpark - On Mars! Students in fourth through seventh grade will work to create the ultimate baseball experience "on Mars," even designing the rules for how to play a game on the Red Planet. Read more

	November 4, 2009 Frost-Covered Phoenix Lander Seen in Winter Images Winter images of NASA's Phoenix Lander showing the lander shrouded in dry-ice frost on Mars have been captured with the HiRISE camera aboard NASA's Mars Reconnaissance Orbiter. Read more

	November 4, 2009 Unsettled Youth: Spitzer Observes a Chaotic Planetary System NASA's Spitzer Space Telescope has found a young star with evidence of the same kind of orbital hyperactivity that our planets had before they found their way to the stable orbits they circle in today. Read more

	November 3, 2009 Successful Flight Through Enceladus Plume Cassini has started sending data back from its Nov. 2 flyby of Saturn's moon Enceladus. Read more

	October 30, 2009 Amnesia-Like Behavior Returns on Spirit Until Oct. 24, NASA's Mars Exploration Rover had gone more than six months without an episode of amnesia-like symptoms like those that appeared on four occasions earlier this year. Read more

	October 30, 2009 Another Halloween Flies By The Cassini team sends "bats wishes" for a happy, healthy and fun Halloween Read more

	October 28, 2009 Channels from Hale Crater An image from NASA's Mars Reconnaissance Orbiter of Martian channels suggests ancient impacts released flows. Read more

	October 27, 2009 Robot Armada Might Scale New Worlds An armada of robots may one day fly above the mountain tops of Saturn's moon Titan, cross its vast dunes and sail in its liquid lakes. Read more

	October 26, 2009 JPL's 'Green' Space Flight Building Debuts with Ribbon-Cutting NASA's "greenest" building to date -- an environmentally friendly Flight Projects Center at NASA's Jet Propulsion Laboratory in Pasadena, Calif. -- is now open for business, following a ribbon-cutting ceremony today attended by lawmakers and local dignitaries. Read more

	October 20, 2009 Astronomers Do It Again: Find Organic Molecules Around Gas Planet Peering far beyond our solar system, NASA researchers have detected the basic chemistry for life in a second hot gas planet, advancing astronomers toward the goal of being able to characterize planets where life could exist. Read more

	October 19, 2009 JPL Develops High-Speed Test to Improve Pathogen Decontamination A chemist at NASA's Jet Propulsion Laboratory in Pasadena, Calif., has developed a technology intended to rapidly assess any presence of microbial life on spacecraft. Read more

	October 19, 2009 Team Runs Operational Test to Prepare for Extracting Spirit Engineers using test rovers on Earth to prepare for extracting the sand-trapped Spirit rover on Mars have added a new challenge to their preparations. Read more

	October 16, 2009 Galileo's Jupiter Journey Began Two Decades Ago NASA's Galileo spacecraft began what would become a 14-year odyssey of exploration 20 years ago this Sunday, Oct. 18. Read more

	October 15, 2009 Cassini Data Help Redraw Shape of Solar System Images from the Ion and Neutral Camera on NASA's Cassini spacecraft suggest that the heliosphere, the region of the sun's influence, may not have the comet-like shape predicted by existing models. 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 8, 2009 NASA to Hold Symposium for Small Businesses NASA will host its second annual NASA/JPL Small Business Symposium and Awards Ceremony Nov. 16 and 17 at the Marriott Bethesda North Hotel and Conference Center, 5701 Marinelli Rd., Bethesda, Md. Read more

	October 7, 2009 NASA Refines Asteroid Apophis' Path Toward Earth Using updated information, NASA scientists have recalculated the path of a large asteroid. Read more

	October 7, 2009 New Set of High-Resolution Mars Images Online Thousands of image products from 233 recent telescopic observations by NASA's Mars Reconnaissance Orbiter show a diversity of surface shapes and textures on Mars. Read more

	October 6, 2009 NASA Space Telescope Discovers Largest Ring Around Saturn NASA's Spitzer Space Telescope has discovered an enormous ring around Saturn -- by far the largest of the giant planet's many rings. Read more

	October 5, 2009 Squyres Wins Carl Sagan Medal for Public Outreach Steven W. Squyres, the Goldwin Smith Professor of Astronomy and principal scientific investigator for the mission, has received the 2009 Carl Sagan Medal from the American Astronomical Society. Read more

	October 2, 2009 Herschel's Multi-Hued View of the Sky A new image from the Herschel Observatory shows off the observatory's talents for seeing multiple wavelengths of light. 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 24, 2009 NASA Spacecraft Sees Ice on Mars Exposed by Meteor Impacts NASA's Mars Reconnaissance Orbiter has revealed frozen water hiding just below the surface of mid-latitude Mars. Read more

	September 24, 2009 NASA Instruments Reveal Water Molecules on Lunar Surface NASA scientists have discovered water molecules in the polar regions of the moon. Instruments aboard three separate spacecraft revealed water molecules in amounts that are greater than predicted, but still relatively small. Read more

	September 23, 2009 NASA's Spitzer Spots Clump of Swirling Planetary Material Astronomers have witnessed odd behavior around a young star. Something, perhaps another star or a planet, appears to be pushing a clump of planet-forming material around. Read more

	September 22, 2009 Radar Map of Buried Mars Layers Matches Climate Cycles New, three-dimensional imaging of Martian north-polar ice layers by a radar instrument on NASA's Mars Reconnaissance Orbiter is consistent with theoretical models of Martian climate swings during the past few million years. Read more

	September 21, 2009 Cassini Reveals New Ring Quirks, Shadows During Saturn Equinox NASA scientists are marveling over the extent of ruffles and dust clouds revealed in the rings of Saturn during the planet's equinox last month. Read more

	September 18, 2009 In Search of Dark Asteroids (and Other Sneaky Things) Ninjas knew how to be stealthy: Be dark. Emit very little light. Move in the shadows between bright places. Read more

	September 17, 2009 Planck Snaps its First Images of Ancient Cosmic Light The Planck mission has captured its first rough images of the sky, demonstrating the observatory is working and ready to measure light from the dawn of time. Read more

	September 17, 2009 A Whole New Way of Seeing the Moon Temperature maps of the moon from the Diviner instrument on NASA's Lunar Reconnaissance Orbiter give scientists a chill. Read more

	September 16, 2009 Asteroid Juno Grabs the Spotlight Toward the end of September, the sun will turn a spotlight on the asteroid Juno, giving that bulky lump of rock a rare featured cameo in the night sky. Read more

	September 15, 2009 Saturn's Turbulent 'Storm Alley' Sets Another Record The longest continuously observed thunderstorm in the solar system has been roiling Saturn's atmosphere since mid-January and is still churning now, according to a presentation by a Cassini team scientist at the European Planetary Science Congress in Potsdam, Germany. Read more

	September 14, 2009 Computer Modeling Supplements Dusty Testing Tests on Earth simulating Spirit's predicament on Mars have reinforced understanding that getting Spirit to rove again will be very difficult. Read more

	September 14, 2009 Scientists Discover New Radiation Belt at Saturn Scientists using the Cassini spacecraft's Magnetospheric Imaging instrument have detected a new, temporary radiation belt at Saturn, located around the orbit of its moon Dione at about 377,000 kilometers (234,000 miles) from the center of the planet. Read more

	September 10, 2009 Electronic Nose to Return from Space Station Sniffing out any potential contaminants on the International Space Station where it was stationed for the last six months, the JPL-built electronic nose, or ENose, is homeward bound. 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 4, 2009 Preventive Care Continues; Science on Hold During analysis of four safe-mode events this year, engineers for NASA's Mars Reconnaissance Orbiter project have identified a vulnerability to the effects of subsequent events. Read more

	September 4, 2009 Saturn Moon Could Power 150 Billion Labor Day Barbecues Since its discovery by Dutch astronomer Christiaan Huygens in 1655, Saturn's most massive moon, Titan, has been known as a place of mystery and intrigue. Read more

	September 4, 2009 NASA Approves X-ray Space Mission NASA recently confirmed that the Nuclear Spectroscopic Telescope Array, or NuSTAR, mission will launch in August 2011. 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 2, 2009 Thousands of New Images Show Mars in High Resolution Thousands of newly released images from more than 1,500 telescopic observations by NASA's Mars Reconnaissance Orbiter show a wide range of gullies, dunes, craters, geological layering and other features on the Red Planet. Read more

	September 2, 2009 Calling All Space Buffs! Do you love space? Are you good about sharing your love of the stars with the public? If so, we want you to become part of a growing network of space enthusiasts who have volunteered as NASA Solar System Ambassadors. 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 JPL Update Fire conditions around JPL have continued to improve throughout the day, and the Lab is no longer threatened by the Station Fire. 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 28, 2009 Orbiter in Safe Mode Increases Communication Rate Engineers for NASA's Mars Reconnaissance Orbiter project have stepped up the communication rate being received from the orbiter as an early step in the process of determining why the spacecraft spontaneously rebooted its computer on Aug. 26. 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 26, 2009 Mars Orbiter Puts Itself in Safe Mode Again NASA's Mars Reconnaissance Orbiter put itself into a safe mode Wednesday morning, Aug. 26, for the fourth time this year, while maintaining spacecraft health and communications. Read more

	August 25, 2009 Dust Storm Passing Over Spirit The amount of electricity generated by the solar panels on Spirit has been declining for the past several Martian days, or sols, as a regional dust storm moved southward and blocked some of the sunshine at Spirit's location. Read more

	August 25, 2009 Flashback to Neptune's Moon Triton Newly released images commemorate the 20-year anniversary of the Voyager flyby of Neptune's moon Triton on Aug. 24, 2009. Read more

	August 21, 2009 Second Test Rover Added to Driving Experiments A second, lighter-weight test rover has entered the testing setup at JPL where rover team members are assessing strategy for getting Spirit out of soft soil where it is embedded on Mars. 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 19, 2009 Galaxies Demand a Stellar Recount For decades, astronomers have gone about their business of studying the cosmos with the assumption that stars of certain sizes form in certain quantities. Read more

	August 18, 2009 Jumping Asteroids How our solar system was formed has fascinated scientists and laymen alike for -- well, for a really, really long time. New research may have answered a piece to the puzzle - how big were the first planetesimals? Read more

	August 18, 2009 Cassini's Last Earthly Date Was 10 Years Ago Today A decade ago today, NASA's Cassini spacecraft flew past Earth at a distance of 1,171 kilometers (727 miles) on its way to an appointment with the solar system's second largest occupant - Saturn. Read more

	August 18, 2009 Free Public Lectures Will Preview Next Mars Landing Two free public programs in Pasadena this week will explain how engineers developed a new landing system for the next Mars mission. Read more

	August 18, 2009 Spirit Hits 2,000 Today marks the 2,000th Martian day, or sol, of what was initially planned as a 90-sol mission on Mars for NASA's Spirit rover. Read more

	August 17, 2009 NASA's WISE Mission Arrives at Launch Site NASA's Wide-field Infrared Survey Explorer, or WISE, has arrived at its last stop on Earth -- Vandenberg Air Force Base, Calif. Read more

	August 17, 2009 NASA Researchers Make First Discovery of Life's Building Block in Comet NASA scientists have discovered glycine, a fundamental building block of life, in samples of comet Wild 2 returned by NASA's Stardust spacecraft. Read more

	August 17, 2009 On the JPL Blog: Comets and Life On Earth With the recent discovery of the amino acid glycine in the comet dust samples returned to Earth by the Stardust spacecraft, it is becoming a bit more clear how life may have originated on Earth. Read more

	August 13, 2009 Planck Sees Light Billions of Years Old The Planck space telescope has begun to collect light left over from the Big Bang explosion that created our universe. Read more

	August 13, 2009 Planned Rover Test to Run a Week or More Mars rover team members are planning a long-duration experiment with the test rover at JPL beginning next week. Read more

	August 13, 2009 Tropics of Saturn's Moon No Tropical Paradise On Some Days Astronomers have identified a storm cell on Titan the size of the country of India. Read more

	August 13, 2009 Braille Displays Get New Life With Artificial Muscles Research with tiny artificial muscles may yield a full-page active Braille system that can refresh automatically and come to life right beneath your fingertips. 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 12, 2009 Mars Orbiter Shows Angled View of Martian Crater The high-resolution camera on NASA's Mars Reconnaissance Orbiter has returned a dramatic oblique view of the Martian crater that a rover explored for two years. Read more

	August 12, 2009 Space Telescopes Find Trigger-Happy Star Formation A new study from two of NASA's Great Observatories provides fresh insight into how some stars are born, along with a beautiful new image of a stellar nursery in our Milky Way galaxy. Read more

	August 11, 2009 JPL Blog: Five Things About Viewing Mars in August For the last few years, e-mails have cirulated in August promising wonderful views of Mars. JPL outreach specialist and amateur astronomer Jane Houston Jones is here to set the record straight. Read more

	August 10, 2009 Science Operations Resume NASA's Mars Reconnaissance Orbiter has been restored to full operations, making intensive science observations of Mars, four days after it unexpectedly switched to its backup computer. Read more

	August 10, 2009 Meteorite Found on Mars Yields Clues About Planet's Past NASA's Mars Rover Opportunity is investigating a metallic meteorite the size of a large watermelon that is providing researchers more details about the Red Planet's environmental history. Read more

	August 10, 2009 Planet Smash-Up Sends Vaporized Rock, Hot Lava Flying NASA's Spitzer Space Telescope has found evidence of a high-speed collision between two burgeoning planets around a young star. Read more

	August 7, 2009 Orbiter Safe After Computer Swap NASA's Mars Reconnaissance Orbiter is in safe mode, a precautionary standby status, and in communications with Earth after unexpectedly switching to its backup computer on Thurs. Aug. 6. 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 7, 2009 Revelations in Saturn's Rings Continue as Equinox Approaches Saturn continues its march towards its August 11 equinox, recent images captured by NASA’s Cassini spacecraft are revealing new three-dimensional objects and structures in the planet’s otherwise flat rings. Read more

	August 7, 2009 Saturn to Pull Celestial Houdini on August 11 In 1918, magician extraordinaire Harry Houdini created a sensation when he made a 10,000 pound elephant disappear before a mystified audience of over 5,200 at New York's famed Hippodrome theatre. Read more

	August 7, 2009 More Testing Before Driving on Mars A review on Aug. 6 of test results to date yielded a decision to conduct further checkouts in an augmented testing set-up on Earth before beginning to send driving commands to Spirit for attempting to get out of the loose soil where the rover has partially embedded itself. Read more

	August 6, 2009 Triple Asteroid System Triples Observers' Interest Radar imaging at NASA's Goldstone Solar System Radar on June 12 and 14, 2009, revealed that near-Earth asteroid 1994 CC is a triple system. 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 6, 2009 Kepler Detects Atmosphere of Hot World NASA's planet-hunter Kepler has detected a known planet, demonstrating the telescope's extraordinary capabilities. Read more

	August 6, 2009 Rover Confirms Meteorite on Mars Composition measurements by NASA's Opportunity rover confirm that this rock on the Martian surface is an iron-nickel meteorite. Read more

	August 5, 2009 NASA's Spitzer Sees The Cosmos Through 'Warm' Infrared Eyes NASA's Spitzer Space Telescope is starting a second career and taking its first shots of the cosmos since warming up. 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 31, 2009 Possible Meteorite Imaged by Opportunity Rover The Opportunity rover has eyed an odd-shaped, dark rock, about 0.6 meters (2 feet) across on the surface of Mars, which may be a meteorite. Read more

	July 30, 2009 Free Spirit Testing Nearing Completion Mars rover engineers at JPL are winding down testing of different escape maneuvers using a test rover in a sand box filled with soil to mimic the Martian surface. Read more

	July 29, 2009 NASA to Provide Web Updates on Objects Approaching Earth NASA's Jet Propulsion Laboratory is introducing a new Web site that will provide a centralized resource for information on near-Earth objects - those asteroids and comets that can approach Earth. Read more

	July 29, 2009 On the JPL Blog: The Lowdown on Jupiter's Black Eye JPL scientist Glenn Orton recounts how he and his team used a NASA telescope to verify an impact at Jupiter, which was first observed by an amateur astronomer in Australia. Read more

	July 29, 2009 New Spin On Saturn's Rotation New meteorological data from NASA's Cassini spacecraft indicates the value for Saturn's rotation period could be more than 5 minutes shorter than previously believed. Read more

	July 27, 2009 Warmed Up and Ready to Go NASA's Spitzer Space Telescope has put its infrared eyes back on the sky to observe the cold and dusty universe. Read more

	July 24, 2009 Longer Tests Beginning Mars rover team members have begun a new phase of testing at JPL -- using longer-duration experiments -- in their preparations for driving Spirit again on Mars. Read more

	July 23, 2009 NASA's Spitzer Images Out-of-This-World Galaxy NASA's Spitzer Space Telescope has imaged a wild creature of the dark -- a coiled galaxy with an eye-like object at its center. Read more

	July 22, 2009 Saturnian Moon Shows Evidence of Ammonia Data collected during two close flybys of Saturn's moon Enceladus by NASA's Cassini spacecraft add more fuel to the fire about the Saturnian ice world containing sub-surface liquid water. Read more

	July 22, 2009 Technology to Treat Blindness Earns Award Wolfgang Fink, senior researcher at NASA's Jet Propulsion Laboratory in Pasadena, Calif., is part of a Department of Energy-funded consortium that has received one of R&D Magazine's 2009 R&D 100 awards for developing an artificial retina. Read more

	July 22, 2009 JPL Blog: All Eyes on Jupiter JPL scientist Leigh Fletcher describes a rare chance to observe the resulting debris from a space rock that slammed into Jupiter earlier this week. Read more

	July 21, 2009 Tests on Earth to Help Free Spirit Rover on Mars: Live Webcast, Chat A live videocast and chat from JPL will give viewers a chance to ask questions of rover team members working to get Spirit rolling again. Read more

	July 21, 2009 Free Spirit: Next Step: Combinations of Basic Moves As the Mars rover team uses testing at JPL to evaluate possible ways to drive Spirit out of loose soil on Mars, the team is finishing tests of individual "building block" maneuvers and is about to begin stringing some of those together. Read more

	July 20, 2009 New NASA Images Indicate Object Hits Jupiter Scientists have found evidence that another object has bombarded Jupiter, exactly 15 years after the first impacts by the comet Shoemaker-Levy 9. 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 20, 2009 From the Lab to the Moon Before astronauts could walk its surface, NASA/JPL's robotic explorers had to fly past, slam into, and land on the moon. 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 16, 2009 Test Rover Checks Pivoting Technique The Mars rover team is using a test rover at JPL to assess various extraction techniques that might get Spirit out of the loose soil of "Troy" on Mars. 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 14, 2009 Mars Dust Devil Has Colorful Effect in Image Series Scientists have combined a trio of shots taken seconds apart through different colored filters to create a special-effects portrait of a moving dust devil on Mars. Read more

	July 14, 2009 JPL Engineer Narrates 'Are We Alone?' Gentry Lee, a chief engineer for JPL's solar system missions, narrates a two-hour documentary that explores the possibility of life elsewhere in the universe. 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 13, 2009 Free Spirit: Rover Engineers Test More Maneuvers Engineers checking possible rover movements to get Spirit out of the "Troy" sand trap on Mars are evaluating how a comparable rover at JPL fares in a crablike backward drive. Read more

	July 10, 2009 Heat Shield Readied for Next Mars Rover Lockheed Martin Space Systems, Denver, has finished building and testing the heat shield for protecting the Curiosity rover of NASA's Mars Science Laboratory project. Read more

	July 10, 2009 Herschel Instruments Get First Peek at Cosmos All three of Herschel's instruments have now opened their eyes and collected their first astronomy data. Read more

	July 10, 2009 NASA To Provide Education Funding For Museums And Planetariums NASA has announced a competitive funding opportunity for informal education that could result in the award of grants or cooperative agreements to several of the nation's science centers, museums and planetariums. Read more

	July 10, 2009 Tests Evaluating Crabwalk Moves On firm ground, NASA's Mars Exploration Rovers can make crablike moves by turning all four steerable wheels to the same side angle, then rotating the wheels either forward or backward. Read more

	July 8, 2009 Second Rover Test Maneuver Is Backwards Engineers used straight-backward driving of a test rover on Earth on Wednesday, July 8, as they evaluate maneuvers that might be useful for getting Spirit out of a sandtrap on Mars. 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 6, 2009 Rover Extraction Tests Begin Using a test rover in a sandbox at JPL with special soil simulating Spirit's predicament on Mars, engineers are assessing possible maneuvers for getting Spirit out and onto firmer ground. Read more

	July 2, 2009 NASA Phoenix Results Point to Martian Climate Cycles Favorable chemistry and episodes with thin films of liquid water during ongoing, long-term climate cycles may sometimes make the area where NASA's Phoenix Mars mission landed last year a favorable environment for microbes. 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 Free Spirit: Rock Under the Belly Engineers placed a rock underneath the test rover at JPL on July 1, 2009, to more closely simulate Spirit's predicament on Mars. 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 30, 2009 Ulysses Spacecraft Ends Historic Mission of Discovery Ulysses, a joint NASA and European Space Agency mission, officially ceased operations today, after receiving commands from ground controllers to do so. Read more

	June 30, 2009 Five Years Ago, Cassini Began Orbiting Saturn NASA's Cassini mission has been orbiting Saturn for five Earth years as of June 30, 2009. Read more

	June 30, 2009 Free Spirit: Test Rover Rolls In After several days of preparing a sloped area of soft, fine soil to simulate Spirit's current sandtrap on Mars, the rover team drove a test rover into the material. 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 Herschel Opens Its Infrared Eyes The Herschel Space Observatory has snapped its first picture since blasting into space on May 14, 2009. Read more

	June 26, 2009 Ulysses Hears the Siren's Song Ulysses, a joint NASA and European Space Agency mission, will officially end its operations Monday, June 29. 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 Mars Rover Yielding New Clues While Lodged in Martian Soil NASA's Mars rover Spirit, lodged in Martian soil that is causing traction trouble, is taking advantage of the situation by learning more about the Red Planet's environmental history. 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 Salt Finding From NASA's Cassini Hints at Ocean Within Saturn Moon For the first time, scientists working on NASA's Cassini mission have detected sodium salts in ice grains of Saturn's outermost ring. 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 23, 2009 Lunar Orbit is Divine for NASA Instrument Diviner, an instrument that will make the first maps of the temperature on the surface of the lunar polar regions, has entered the moon's orbit aboard NASA's Lunar Reconnaissance Orbiter. Read more

	June 22, 2009 NASA's Mars Odyssey Alters Orbit to Study Warmer Ground NASA's long-lived Mars Odyssey spacecraft has completed an eight-month adjustment of its orbit. 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 18, 2009 NASA Scientists Bring Light to Moon's Permanently Dark Craters A new lunar topography map with the highest resolution of the moon's rugged south polar region provides new information on some of our natural satellite's darkest inhabitants - permanently shadowed craters. Read more

	June 17, 2009 JPL Instrument Set for Lunar Orbiter Mission NASA is scheduled to launch the Lunar Reconnaissance Orbiter, an unmanned mission to comprehensively map the entire moon, tomorrow, June 18. 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 15, 2009 Herschel's Cover Flips Open The Herschel observatory has flipped its lid -- the cover protecting the telescope's instruments was successfully removed on June 14, 2009. Read more

	June 15, 2009 Shaken and Stirred: Lab Studies Ice From Frigid Worlds The most exotic frozen cocktails on Earth won't be found in a chic restaurant or trendy bar. Scientists are mixing up icy concoctions in a laboratory not much bigger than a janitor's closet. Read more

	June 12, 2009 On the JPL Blog: Five 'Holy Grails' of Distant Solar Systems Fridays@5, a new series bringing you five cool ideas from a scientist or engineer, debuts today. First up, JPL and Caltech 's Angelle Tanner lists goals in extrasolar planet research. Read more

	June 12, 2009 Planck Chills Out A JPL-developed and -built cooler on the Planck spacecraft has chilled the mission's low-frequency instrument down to its operating temperature. Read more

	June 10, 2009 WISE Mission Assembled and Preparing for Launch NASA's Wide-field Infrared Survey Explorer, or WISE, has been assembled and is undergoing final preparations for a planned Nov. 1 launch from Vandenberg Air Force Base, Calif. Read more

	June 10, 2009 Baby Stars Finally Found in Jumbled Galactic Center Astronomers have at last uncovered newborn stars at the frenzied center of our Milky Way galaxy. Read more

	June 9, 2009 Mars Orbiter Resumes Science Observations NASA's Mars Reconnaissance Orbiter is examining Mars again with its scientific instruments after successfully transitioning out of a precautionary standby mode. Read more

	June 8, 2009 Dawn Re-Lights the Ionic Fire Mission controllers at JPL have received a transmission from the Dawn spacecraft confirming it has re-ignited its ion propulsion system. Read more

	June 8, 2009 'Curiosity,' Meet Clara Twelve-year-old Clara Ma flew from Kansas to JPL to meet and sign the next rover that will zoom millions of miles to Mars. Read more

	June 4, 2009 Rebooting Resembles February Event NASA's Mars Reconnaissance Orbiter is in safe mode and in communications with Earth after an unexpected rebooting of its computer Wednesday evening, June 3. Read more

	June 3, 2009 Cassini Finds Titan's Clouds Hang on to Summer Cloud chasers studying Saturn's moon Titan say its clouds form and move much like those on Earth, but in a much slower, more lingering fashion. Read more

	June 3, 2009 NASA Selects Museums and Planetariums to Receive Education Grants NASA has awarded 13 informal education institutions $6.9 million for creating planetarium shows and exhibits. These institutions will partner with NASA's Museum Alliance, managed by JPL. Read more

	June 3, 2009 Spirit Takes a Peek at Her Belly A new image of Spirit's underbelly is helping engineers assess the rover's current state and plan her escape from soft soil. 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 'Cold' Mars Could Have Harbored Liquid Water A new NASA study provides further evidence that Martian minerals dissolved in water could have kept that water from freezing, even on a cold, early Mars. 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 28, 2009 Planet-Hunting Method Succeeds at Last A long-proposed tool for hunting planets has netted its first catch -- a Jupiter-like planet orbiting one of the smallest stars known. Read more

	May 28, 2009 Honey, I Shrunk the Chips JPL is home to the Microdevices Lab, a world-class facility where spacecraft chips are shrunk in size while growing in capability. Read more

	May 27, 2009 NASA Selects Student's Entry as New Mars Rover Name NASA's Mars Science Laboratory rover, scheduled for launch in 2011, has a new name, thanks to a sixth-grade student from Kansas. Read more

	May 27, 2009 Curiosity This is the essay submitted by the winner of the Mars Science Laboratory naming contest. Read more

	May 26, 2009 'Camera That Saved Hubble' Returns To Earth The JPL-built Wide Field and Planetary Camera 2 returned to Earth aboard Space Shuttle Atlantis Sunday (5/24/09). The camera was the Hubble Space Telescope's longest serving instrument. Read more

	May 26, 2009 Team Develops New Method to Find Alien Oceans NASA-sponsored scientists looking back at Earth with the JPL-managed Deep Impact spacecraft have developed a method to indicate whether Earth-like alien (extrasolar) worlds have oceans. Read more

	May 26, 2009 Opportunity Rolls Past the 10-Mile Mark In a giant leap for Roverkind, NASA's Mars Exploration Rover Opportunity's odometer clocked past the 10-mile mark (16,133.96 meters) on May 25 (Sol 1897). Read more

	May 21, 2009 NASA Rover Sees Variable Environmental History at Martian Crater One of NASA's two Mars rovers has recorded a compelling saga of environmental changes that occurred over billions of years at a Martian crater. 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 20, 2009 On the JPL Blog: Got Water? JPL's Sue Smrekar recounts discoveries by NASA's Mars Reconnaissance Orbiter that have provided new insights into past wet environments on Mars. Read more

	May 19, 2009 Wide-field Infrared Survey Explorer Coming Together The science instrument for NASA's Wide-field Infrared Survey Explorer has been shipped to Boulder, Colo. Read more

	May 18, 2009 Mars and Earth Activities Aim to Get Spirit Rolling Again NASA's rover project team is using Spirit and other spacecraft at Mars to find a way for the rover to get dislodged from soft Martian ground. Read more

	May 15, 2009 NASA's Spitzer Begins Warm Mission After more than five-and-a-half years of probing the cool cosmos, Spitzer has run out of the coolant that kept its infrared instruments chilled. Read more

	May 14, 2009 Herschel and Planck on Way to Study Our Cosmic Roots The Herschel and Planck spacecraft successfully blasted into space on May 14 from the Guiana Space Centre in French Guiana. Read more

	May 14, 2009 'Camera That Saved Hubble' - Didn't Want to Leave After struggling with a frozen bolt, spacewalking astronauts removed the JPL-built Wide Field and Planetary Camera 2 from NASA's Hubble Space Telescope today (Thurs.). 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 Let the Planet Hunt Begin NASA's Kepler spacecraft has begun its search for other Earth-like worlds. Read more

	May 13, 2009 Spitzer Catches Star Cooking Up Comet Crystals Scientists have long wondered how tiny silicate crystals, which need sizzling high temperatures to form, have found their way into frozen comets, born in the deep freeze of the solar system's outer edges. 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 13, 2009 Astronauts to Lift JPL-Built Camera Out of Hubble Spacewalking astronauts will remove the JPL-built Wide Field and Planetary Camera 2 from NASA's Hubble Space Telescope tomorrow (Thurs.). Read more

	May 12, 2009 Herschel and Planck Almost Ready for Liftoff Two missions to study our cosmic roots, Herschel and Planck, are stacked atop the same Ariane 5 rocket, waiting to blast into space on Thurs., May 14. Read more

	May 11, 2009 Soft Ground Puts Spirit in Danger Despite Gain in Daily Energy The five wheels that still rotate on NASA's Mars Exploration Rover Spirit have been slipping severely in soft soil during recent attempts to drive, sinking the wheels about halfway into the ground. 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 11, 2009 Mission to Return JPL-Built Hubble Camera Underway Space Shuttle Atlantis has lifted on a mission whose goals include extracting and returning the JPL-built Wide Field and Planetary Camera 2. Read more

	May 10, 2009 Hubble Photographs a Planetary Nebula to Commemorate Decommissioning of Super Camera The Hubble Space Telescope photographed a planetary nebula to commemorate the decommissioning of a super camera. Read more

	May 10, 2009 The Camera That Saved Hubble... Twice: JPL's Wide Field and Planetary Camera 2 The story and the people behind Hubble's imaging workhorse. Read more

	May 7, 2009 NASA Releases Interactive 3-D Views of Space Station, New Mars Rover NASA released an interactive, 3-D photographic collection of the International Space Station and a model of the next Mars rover. Read more

	May 6, 2009 NASA Wins Two Webby Awards for Internet Excellence NASA's main site won the People's Voice award for best government Web site and the Cassini mission won for best science site. Read more

	May 6, 2009 NASA's Spitzer Telescope Warms Up To New Career The primary mission of NASA's Spitzer Space Telescope is about to end after more than five-and-a-half years of probing the cosmos with its keen infrared eye. Read more

	May 6, 2009 Productive Mars Camera Team Accelerates Releases Camera-team members are now posting tens of thousands of new image products each month from the high-resolution camera on NASA's Mars Reconnaissance Orbiter. 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

	May 5, 2009 Herschel and Planck Share Ride to Space Two missions to study the cosmos are scheduled to blast into space May 14 aboard the same rocket from the Guiana Space Center in French Guiana. Read more

	May 5, 2009 A Universal Art Form: NASA's Wide Field and Planetary Camera 2 Throughout history, humanity has been moved by the work of the great artists of their age. Read more

	May 4, 2009 Happy 20th Birthday To NASA's Magellan Mission! Launched May 4, 1989, NASA's Magellan spacecraft went on to map 99 percent of the surface of planet Venus. Read more

	May 4, 2009 If Spitzer Could Talk: An Interview with NASA's Coolest Space Telescope NASA's Spitzer Space Telescope is about to use its last drop of the coolant that has chilled it for the past five-and-a-half years. Read more

	May 4, 2009 Top Five Breakthroughs From Hubble's Workhorse Camera Here are five things you should know about JPL's Wide Field and Planetary Camera 2, which is the oldest and longest working instrument aboard the Hubble Space Telescope. Read more

	May 4, 2009 Visitors Throng to Annual JPL Open House More than 30,000 people visited JPL for the annual Open House the weekend of May 2 and 3. Read more

	May 4, 2009 NASA Selects JPL Experiment for European Mars Mission An investigation selected by NASA will help researchers dissect the internal structure of Mars by analyzing variations in the planet's rotation. Read more

	April 30, 2009 JPL's John Casani Honored by Air and Space Museum John Casani of NASA's Jet Propulsion Laboratory, Pasadena, Calif., has been honored with the National Air and Space Museum's prestigious Lifetime Achievement Award. 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 30, 2009 Why Are Galaxies So Smooth? New observations from NASA's Spitzer Space Telescope reveal how stars are dispersed in spiral galaxies. 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 28, 2009 NASA's Galaxy-Exploring Mission Celebrates Sixth Anniversary NASA's Galaxy Evolution Explorer Mission marks its sixth anniversary studying galaxies beyond our Milky Way through its sensitive ultraviolet telescope. Read more

	April 28, 2009 NASA-JPL Explorer School Students to Attend National Symposium Students from Roosevelt Middle School, a NASA Explorer School in Glendale, Calif., will present research results at a national student symposium at NASA's Johnson Space Center in Houston April 29-May 1. Read more

	April 24, 2009 Spirit Resumes Driving While Analysis of Problem Behaviors Continues NASA's Mars Exploration Rover Spirit drove on Thursday for the first time since April 8, acting on commands from engineers who are still investigating bouts of amnesia and other unusual behavior exhibited by Spirit in the past two weeks. Read more

	April 23, 2009 Live JPL Open House Video/Chat: Next Best Thing to Being There Don't worry if you can't attend this year's annual Open House at NASA's Jet Propulsion Laboratory in Pasadena, Calif. - just throw on your fuzzy slippers, switch on your computer and join us for a live video stream and chat. 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 22, 2009 Spitzer Teams up With Other Telescopes to Find Big Blob A suite of telescopes, including NASA's Spitzer Space Telescope, has discovered a giant blob of gas in the very distant universe. Read more

	April 21, 2009 Hubble Captures 'Fountain of Youth' A "cosmic fountain" of stars, gas and dust was photographed with the JPL-built and -developed Wide Field and Planetary Camera 2 on Hubble. 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 20, 2009 JPL Invites Public to Annual Open House NASA's Jet Propulsion Laboratory, Pasadena, Calif., welcomes the public to its annual Open House on Saturday, May 2, and Sunday, May 3, from 9 a.m. to 5 p.m. Read more

	April 20, 2009 Team Continues Analyzing Spirit Computer Reboots and Amnesia Events After three days of completing Earth-commanded activities without incident last week, NASA's Mars Exploration Rover Spirit had a bout of temporary amnesia Friday, April 17, and rebooted its computer Saturday, April 18, behavior similar to events about a week earlier. Read more

	April 20, 2009 Solar Systems Around Dead Suns? Using NASA's Spitzer Space Telescope, an international team of astronomers has found that at least one in 100 white dwarf stars shows evidence of orbiting asteroids and rocky planets. Read more

	April 16, 2009 NASA's Kepler Captures First Views of Planet-Hunting Territory NASA's Kepler mission has taken its first images of the star-rich sky where it will soon begin hunting for planets like Earth. Read more

	April 15, 2009 Mars Spacecraft Teams on Alert for Dust-Storm Season Heading into a period of the Martian year prone to major dust storms, the team operating NASA's twin Mars rovers is taking advantage of eye-in-the-sky weather reports. Read more

	April 14, 2009 Testing the Parachute for Mars Science Laboratory The parachute for NASA's Mars Science Laboratory passed flight-qualification testing in March and April 2009 inside the world's largest wind tunnel, at NASA Ames Research Center, Moffett Field, Calif. 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 Spirit Healthy but Computer Reboots Raise Concerns The team operating NASA's Mars Exploration Rover Spirit is examining data received from Spirit in recent days to diagnose why the rover apparently rebooted its computer at least twice over the April 11-12 weekend. 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 8, 2009 Balloon Experiment Catches Half the Universe's Starlight Jamie Bock of JPL is part of a team that used a balloon-borne experiment called Blast and NASA's Spitzer telescope to hunt for faraway galaxies. Read more

	April 7, 2009 Dust Cover Jettisoned From NASA's Kepler Telescope Engineers have successfully ejected the dust cover from NASA's Kepler telescope, a spaceborne mission soon to begin searching for worlds like Earth. Read more

	April 7, 2009 Cool Stars Have Different Mix of Life-Forming Chemicals Life on Earth is thought to have arisen from a hot soup of chemicals. Does this same soup exist on planets around other stars? Read more

	April 7, 2009 Kepler Dust Cover Poised for Removal The dust cover on NASA's Kepler spacecraft is scheduled to be ejected tonight. 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 3, 2009 Deep-Space Images Released for Astronomy Webcast New NASA/JPL images from two missions and a Hubble camera are being released today as part of an International Year of Astronomy event. Read more

	April 2, 2009 NASA Joins 'Around the World in 80 Telescopes' A collection of NASA missions will be involved in a live event Friday, April 3, that will allow the public to get an inside look at how these missions are run. 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 30, 2009 NASA Team Finds Riches in Meteorite Treasure Hunt Just before dawn on Oct. 7, 2008, an SUV-sized asteroid entered Earth's atmosphere and exploded harmlessly over the Nubian Desert of northern Sudan. Read more

	March 30, 2009 Spirit Churns Up Bright Soil NASA's Mars rover Spirit exposed bright Martian soil on a recent drive heading southwest. Read more

	March 25, 2009 Researchers Pump Up Artificial Muscles Engineers from JPL and around the world are exploring the field of artificial muscles to invent "smart" devices that can grab and move objects. Read more

	March 25, 2009 Images of an Unearthly Spring New images from the high-resolution camera on NASA's Mars Reconnaissance Orbiter show intriguing patterns near Mars' south pole. Read more

	March 24, 2009 Cassini Provides Virtual Flyover of Saturn's Moon Titan "Fly me to the moon"-to Saturn's moon Titan, that is. New Titan movies and images are providing a bird's-eye view of the moon's Earth-like landscapes. Read more

	March 24, 2009 JPL and Caltech Partner on Keck Institute for Space Studies JPL and Caltech are collaborating to address the science and technology needs of future space missions through the W.M. Keck Institute for Space Studies. Read more

	March 23, 2009 Live Chat With NASA's Asteroid Trackers A live videocast and chat from JPL offers a unique opportunity for viewers to ask questions of scientists with NASA's Near-Earth Object Program Office about how NASA discovers and tracks asteroids. Read more

	March 19, 2009 JPL Astronomer Assesses Challenges of Finding Life Elsewhere New research co-led by JPL's Wes Traub discusses how and where NASA's James Webb Space Telescope might look for signs of life. Read more

	March 18, 2009 Online Poll for NASA's Mars Rover Naming Contest Opens March 23 NASA will post online nine names that are finalists for the agency's Mars Science Laboratory mission and invite the public to vote for its favorite. 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 18, 2009 One Mars Rover Sees a Distant Goal; The Other Takes a New Route On a plain that stretches for miles in every direction, the panoramic camera on NASA's Mars rover Opportunity has caught a first glimpse on the horizon of the uplifted rim of the big crater that has been Opportunity's long-term destination for six months. Read more

	March 18, 2009 NASA Explorer Schools Compete in Lego Robotics Contest Fillmore's San Cayetano Elementary School and Mesa Union School from Somis captured top honors at the 3rd Annual Southern California NASA Explorer Schools Robotics Competition at JPL on Tuesday, March 17. Read more

	March 17, 2009 Quadruple Saturn Moon Transit Snapped by Hubble On Feb. 24, 2009, NASA's Hubble Space Telescope took a photo of four moons of Saturn passing in front of their parent planet. 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 16, 2009 Lunacy Rules at First Robotics Competition Sixty-one teams from Southern California, Arizona, Brazil and Chile faced off in the Los Angeles regional FIRST Robotics Competition on March 13 and 14. Read more

	March 16, 2009 Hearts of Galaxies Close in for Cosmic Train Wreck A new image from Spitzer offers a rare view of an imminent collision between the cores of two galaxies, each powered by a black hole with millions of times the mass of the sun. Read more

	March 13, 2009 NASA Images in Google's New 'Live from Mars' Mars Odyssey and other NASA spacecraft supply images seen in Google Earth's tools for viewing Mars, including new features added today. Read more

	March 12, 2009 The Robotic 'Right Stuff' Watch students compete using LEGO® robots against the clock in a competition at JPL. 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 12, 2009 Cassini Swaps Thrusters Early this morning the Cassini spacecraft relayed information that it had successfully swapped to a backup set of propulsion thrusters late Wednesday. Read more

	March 12, 2009 Galactic Dust Bunnies Found to Contain Carbon After All Galactic Dust Bunnies Found to Contain Carbon After All Using NASA's Spitzer Space Telescope, researchers have found evidence suggesting that stars rich in carbon complex molecules may form at the center of our Milky Way galaxy. Read more

	March 11, 2009 Odyssey Spacecraft Reboots Successfully NASA's Mars Odyssey orbiter properly followed commands today to shut down and restart, a strategy by its engineers to clear any memory flaws accumulated in more than five years since Odyssey's last reboot. Read more

	March 11, 2009 Mars Rovers Earn Congressional Kudos Congress passed a resolution Wednesday recognizing scientific contributions of NASA's Mars Exploration Rovers, and commending the JPL and Cornell University teams. Read more

	March 10, 2009 Rebooting Postponed for Odyssey The team operating NASA's Mars Odyssey orbiter postponed a planned rebooting of the spacecraft this morning after seeing an unexpected rise in the temperature of a star camera that is part of the navigation system. Read more

	March 9, 2009 New Views of Martian Moon and Surface New images from two observations of the Martian moon Deimos and more than 600 observations of Mars, acquired by the high-resolution camera (HiRISE) on NASA's Mars Reconnaissance Orbiter, became available for viewing Monday. Read more

	March 6, 2009 NASA's Kepler Mission Rockets to Space in Search of Other Earths NASA's Kepler mission successfully launched into space from Cape Canaveral Air Force Station, Fla., aboard a United Launch Alliance Delta II at 10:49 p.m. EST (7:49 p.m. PST), Friday, March 6. Read more

	March 5, 2009 NASA's Mars Rover Spirit Faces Circuitous Route Loose soil piled against the northern edge of a low plateau has blocked Spirit from taking the shortest route toward its southward destinations for the upcoming Martian summer and following winter. Read more

	March 5, 2009 NASA's Kepler Mission Set for Launch NASA's Kepler mission to seek other Earth-like planets is undergoing final preparations for liftoff Friday, March 6. Read more

	March 5, 2009 Five Things About Kepler Here are some quick facts about the Kepler mission, scheduled to launch March 6, 2009. 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 4, 2009 Odyssey Flight Team to Check Status of Backup System The team operating NASA's Mars Odyssey orbiter plans a procedure next week to address a long-known, potential vulnerability of accumulated memory corruption. Read more

	March 3, 2009 Orbiter Resumes Normal Science Operations NASA's Mars Reconnaissance Orbiter has fully recovered from an unexpected computer re-set last week and resumed its scientific investigation of Mars. 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 Newfound Moon May Be Source of Outer Saturn Ring NASA's Cassini spacecraft has found within Saturn's G ring an embedded moonlet that appears as a faint, moving pinprick of light. Read more

	March 3, 2009 Planck Arrives at Launch Pad The Planck spacecraft has arrived at the Centre Spatial Guyanais in Kourou, French Guiana, where it is scheduled to be launched atop an Ariane 5 rocket on April 16. Read more

	March 3, 2009 On the JPL Blog: Almost There JPL systems engineer Tracy Drain blogs about the upcoming launch of NASA's Kepler mission, which will look for Earth-like planets. 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 Dawn Finishes Mars Phase With Mars disappearing in its metaphorical rearview mirror, NASA's Dawn spacecraft's next stop is the asteroid belt and the giant asteroid Vesta. Read more

	February 26, 2009 Cassini Maps Global Pattern of Titan's Dunes Titan's vast dune fields, which may act like weather vanes to determine general wind direction on Saturn's biggest moon, have been mapped by scientists who compiled four years of radar data collected by the Cassini spacecraft. 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 Orbiter Puts Itself into Precautionary Mode NASA's Mars Reconnaissance Orbiter unexpectedly rebooted its computer Monday morning, Feb. 23, and put itself into a limited-activity mode that is an automated safety response. Read more

	February 25, 2009 NASA Announces 2009 Astronomy and Astrophysics Fellows NASA has selected fellows in three areas of astronomy and astrophysics for its Einstein, Hubble, and Sagan Fellowships. 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

$layered rock that exhibits fracturing$	February 25, 2009 Fractured Lavas Suggest Floods on Mars Images from NASA's Mars Reconnaissance Orbiter show a type of rock fracturing that here on Earth is caused by rapid cooling of lava. 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 Kepler One Step Closer to Launch NASA's Kepler spacecraft was successfully mated to its rocket in preparation for a March 5 launch. 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 23, 2009 Readying for Mars: Live 'Clean Room Cam' and Chat Join us for a rare opportunity to go behind-the-scenes to see engineers and technicians as they work on the Mars Science Laboratory, which is scheduled to launch in 2011. 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 Q and A: A Green Comet We hear a lot about "going green" these days. The latest to join in the trend is comet Lulin, which is making an appearance in the nighttime sky this month. 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 20, 2009 Dawn Images the Red Planet NASA's Dawn spacecraft imaged Mars during a Tues., Feb. 17 flyby. The flyby effectively changed the spacecraft's velocity as it heads toward future encounters with Ceres and Vesta. Read more

	February 19, 2009 NASA's Kepler Mission to Seek Other Earths NASA's Kepler spacecraft is ready to be moved to the launch pad today and will soon begin a journey to search for worlds that could potentially host life. 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 19, 2009 Award to Recognize Phoenix Mars Lander Team The team that developed and operated NASA's Phoenix Mars Lander mission will receive the 2009 John L. "Jack" Swigert Award for Space Exploration from the Space Foundation. Read more

	February 18, 2009 New Recipe for Dwarf Galaxies: Start With Leftover Gas There is more than one way to make a dwarf galaxy, and NASA's Galaxy Evolution Explorer has found a new recipe. Read more

	February 18, 2009 NASA and ESA Prioritize Outer Planet Missions At a meeting in Washington last week, National Aeronautics and Space Administration and European Space Agency officials decided to continue pursuing studies of a mission to Jupiter and its four largest moons, and to plan for another potential mission to visit Saturn's largest moon Titan and Enceladus. Read more

	February 17, 2009 Dawn to Rise From Red Planet Today NASA's Dawn spacecraft will get a boost from Mars gravity today. The spacecraft will streak about 549 kilometers (341 miles) above the planet at 4:28 p.m. PST. Read more

	February 17, 2009 Herschel Arrives at Launch Site The Herschel observatory has arrived at its launch pad at the Centre Spatial Guyanais in Kourou, French Guiana. Read more

	February 12, 2009 Spirit Gets Energy Boost from Cleaner Solar Panels A small but important uptick in electrical output from the solar panels on Spirit this month indicates a beneficial Martian wind has blown away some of the dust that has accumulated on the panels. Read more

	February 12, 2009 NASA Spacecraft Falling For Mars The gravity of Mars will change the Dawn spacecraft's path about the sun, helping send the probe toward its 2011 encounter with the asteroid Vesta. Read more

	February 12, 2009 JPL to Host 21st High-Tech Conference for Small Business The March 3-4 annual High-Tech Conference for Small Business, held by JPL, can help small-business owners improve their knowledge and skills to compete in the federal/state government and prime contractor marketplace. Read more

	February 10, 2009 NASA Receives Shorty Twitter Award NASA's activities in social networking media will be recognized Wednesday in New York, when the agency receives an award for its presence on the popular Web site Twitter. Read more

	February 10, 2009 NASA's Great Observatories Celebrate International Year of Astronomy Galileo first turned his telescope to the heavens in 1609, marking the dawn of modern astronomy. 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 9, 2009 Santa Monica High Rules the Day at Science Bowl In an annual "battle of the brains," Santa Monica High School placed first in the regional Science Bowl held on Saturday, Feb. 7, at NASA's Jet Propulsion Laboratory in Pasadena. 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 Stardust Logs A Decade Under The Stars Saturday, Feb. 7, marks the 10th anniversary of the launch of NASA's well-traveled Stardust spacecraft. 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 Antarctic Expedition Prepared Researchers for Mars Project About half a year before Phoenix began digging into the arctic plain of Mars, six scientists traveled to one of the coldest, driest places on Earth for soil-and-ice studies that would end up aiding analysis of the Mars data. 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

	February 5, 2009 Signs of Landscape Modifications at Martian Crater A new study of crater images from NASA Mars Odyssey and other orbiters adds to evidence that water has likely played various roles in shaping the Martian landscape. Read more

	February 4, 2009 NASA and Caltech Test Steep-Terrain Rover Engineers from JPL and students at Caltech have designed and tested a versatile, low-mass robot that can rappel off cliffs and travel nimbly over steep and rocky terrain. Read more

	February 3, 2009 JPL Blog: How We See Dark Matter Astronomer Dan Coe ponders one of the most elusive components of the universe, dark matter. Read more

	February 2, 2009 Spirit Resumes Driving NASA's Mars Exploration Rover Spirit resumed driving Saturday after engineers gained confidence from diagnostic activities earlier in the week evaluating how well the rover senses its orientation. Read more

	February 2, 2009 Cassini Thruster Swap Planned The Cassini spacecraft will swap to a backup set of propulsion thrusters in mid-March due to degradation in the performance of the current set of thrusters. Read more

	January 29, 2009 JPL to Host High-Tech Conference for Small Business NASA's Jet Propulsion Laboratory in Pasadena, Calif., will host the 21st Annual High-Tech Conference for Small Business on Tuesday and Wednesday, March 3 and 4, at the Westin Los Angeles Airport hotel. 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 29, 2009 Cassini Captures Changes in Titan's Lakes A region on Saturn's moon Titan's southern latitudes appears to have been flooded by a summer cloudburst of hydrocarbon rain, as seen in images from NASA's Cassini spacecraft taken before and after a large storm system was observed. Read more

	January 28, 2009 Mars Rover Team Diagnosing Unexpected Behavior Diagnostic activities performed by Spirit on Thursday, Jan. 29 narrowed the range of factors that may have contributed to its unexpected behavior earlier in the week. Read more

	January 28, 2009 Astronomers Observe Planet With Wild Temperature Swings The "hot-headed" planet, observed by NASA's Spitzer Space Telescope, is a gas giant that orbits a star 190 light-years from Earth. 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 21, 2009 On the JPL Blog: Growing Up With the Mars Rovers The Mars Exploration Rovers are more than robots, writes robotics engineer Ashley Stroupe. They have become a shared dream. Read more

	January 16, 2009 Deadline Nears for Student Contest to Name NASA's Next Mars Rover WASHINGTON -- NASA is issuing a last call to the nation's youth for entries in a contest to name the agency's next Mars rover. Read more

	January 15, 2009 Socializing on Mars Mars Exploration Rovers have new life on the likes of "Second Life," "YouTube," "Unmannedspaceflight.com," and "Facebook." Read more

	January 15, 2009 Spitzer Finds Dust Around Primitive Star NASA's Spitzer Space Telescope has observed dust forming around a dying star in a nearby galaxy, enlivening a debate about the origins of all cosmic dust. Read more

	January 15, 2009 Watch, Listen and Celebrate Five Years on Mars Catch up with the rovers via several videos and podcasts. Read more

	January 14, 2009 Stardust Spacecraft Passes Close to Earth The NASA/JPL Stardust spacecraft flew within 9,000 kilometers (5,600 miles) of Earth today. The Stardust-NExT mission is scheduled for an encounter with comet Tempel 1 in Feb. 2011. Read more

	January 13, 2009 Tune Into Mars Rover Anniversary Program Videos, talks from mission leaders and a keynote from former CNN correspondent Miles O'Brien will be part of a program carried on NASA TV for the rover five-year anniversary. 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

	January 12, 2009 Public Events Mark Mars Rovers' Five-Year Anniversary Public events during the next two weeks will share the adventures of the still-active NASA Mars rovers Spirit and Opportunity. Read more

	January 7, 2009 Hubble Finds Stars That 'Go Ballistic' JPLer Raghvendra Sahai and colleagues found several runaway stars, racing through space like bullets. Read more

	January 7, 2009 Latest Astronomy Conference Update: Balloon Mission News from the 213th meeting of the American Astronomical Society on Long Beach, Calif. Read more

	January 7, 2009 Planet-Finding Mission Arrives in Florida NASA's Kepler spacecraft, scheduled to launch in March on a journey to search for other Earths, arrived in Cape Canaveral, Fla. Read more

	January 5, 2009 Dead Stars Tell Story of Planet Birth Observations made with NASA's Spitzer Space Telescope reveal six dead "white dwarf" stars littered with the remains of shredded asteroids. Read more

	January 2, 2009 A Change of Seasons on Mars This image, taken on December 21, shows the Phoenix Mars Lander during the last waning days of northern hemisphere summer. This is the first image targeted to the lander since it ceased activity. Read more