NEOWISE Spies Activity on Comet Catalina

July 23, 2014

NEOWISE Spots a Comet That Looked Like an Asteroid

Comet C/2013 UQ4 (Catalina) was originally thought to be an asteroid, but observations by NASA's NEOWISE spacecraft indicate that it's a comet.

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Artist rendering of commercial Mars satellites providing communications back to Earth.

July 23, 2014

NASA Seeks Proposals for Commercial Mars Data Relay Satellites

NASA has issued a Request for Information (RFI) to investigate the possibility of using commercial Mars-orbiting satellites for telecommunications with future Mars missions.

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Gauging an Alien World's Size

July 23, 2014

The Most Precise Measurement of an Alien World's Size

NASA's Kepler and Spitzer space telescopes have made the most precise measurement yet of the size of a planet beyond our solar system.

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The Space Between: This artist's concept shows the Voyager 1

July 23, 2014

NASA Voyager Statement About Solar Wind Models

NASA's Voyager Project Scientist Ed Stone responds to an alternate model for the interaction between the heliosphere and the interstellar medium.

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Carbon in Smoke Plumes

July 18, 2014

OCO-2 Data to Lead Scientists Forward into the Past

Scientists will use a virtual time machine to trace carbon dioxide observations from NASA's Orbiting Carbon Observatory-2 back to their sources.

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NASA's 10-year-old Aura satellite, which studies Earth's atmosphere

July 17, 2014

A 10-Year Endeavor: NASA's Aura and Climate Change

NASA's Aura satellite, celebrating its 10th anniversary this week, continues to help scientists understand how Earth's climate varies and how it will continue to change.

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Voyager scientist honored

July 17, 2014

Voyager Project Scientist Ed Stone Honored

Ed Stone, project scientist of NASA's Voyager mission since 1972 and a former JPL director, has received an American Astronautical Society lifetime achievement award.

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Rosetta Mission's Destination: Comet 67P/Churnyumov-Gerasimenko

July 17, 2014

Rosetta Spacecraft Approaching Twofold Comet

Comet 67P/Churyumov-Gerasimenko, destination of the European Space Agency's Rosetta mission, reveals a two-part shape.

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The maps show the Antarctic ozone hole on September 16 in 2006 and 2011

July 16, 2014

Ten-Year Endeavor: NASA's Aura Tracks Pollutants

NASA's 10-year-old Aura satellite provides vital data about major air pollutants and a comprehensive view of one of the most important parts of Earth -- the atmosphere.

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First Imaging of Laser-Induced Spark on Mars

July 16, 2014

NASA Rover's Images Show Laser Flash on Martian Rock

NASA's Curiosity Mars rover has caught the first images of sparks on a Martian rock that result from the rover's laser instrument examining the rock.

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