NASA Announces Candidates for Cubesat Space Missions

NASA has selected 20 small satellites, including two from NASA's Jet Propulsion Laboratory, to fly as auxiliary payloads aboard rockets planned to launch in 2011 and 2012...

NASA Spacecraft Closes in on Comet Tempel 1

NASA is about to discover how solar heat devours a comet as the Stardust-NExT probe closes in for a Valentines Day encounter with Tempel 1...

Stardust Celebrates Twelve Years With Rocket Burn

NASA's Stardust-NExT mission team on Earth marked the spacecraft's 12th anniversary in space with a flight path correction maneuver...

Taurus XL Ready to Launch Glory Spacecraft

The Glory spacecraft is ready to survey the world's atmosphere for aerosols while the Taurus Xl preps for its return to flight...

NASA’s “COSmIC” Simulator Helps Fingerprint Unknown Matter in Sp

Who are we? Where do we come from? These are questions that scientists hope to find clues to by better understanding the composition and evolution of ...

A NASA Snapshot: A Snowy U.S. Panorama by Satellite

A massive winter storm affected 30 U.S. states last week. Satellite images from NASA provide a panorama of the fallen snow.

Proposed Mission to Jupiter System Achieves Milestone

NASA-ESA Proposal to Study the Moons Europa and Ganymede Maps Joint Strategy.

LRO Could Have Given Apollo 14 Crew Another Majestic View

The crew collected rocks within 30 meters of the Cone Crater rim 40 years ago. Had they LRO's high-resolution images as their map, the view from that rim would have been spectacular.

First Ever STEREO Images of the Entire Sun

On Feb. 6th, NASA's twin STEREO probes moved into position on opposite sides of the sun, and they are now beaming back uninterrupted images of the entire star—front and back.

Surprise Hidden in Titan's Smog: Cirrus-Like Clouds

Titan is really the rarest of gems: the only moon in our solar system with an atmosphere worthy of a planet. Now, thin, wispy clouds of ice particles, similar to Earth's cirrus clouds, are being reported.

GOES-13 Satellite Sees Groundhog's Day on Ice

Punxsutawney Phil predicted that spring will come on time, and NASA satellite data suggests that residents in more than one-third of the U.S. are now anxious for the prediction to come true.

NASA Satellites Capture a Stronger La Nina

New NASA satellite data indicate the current La Niña event in the eastern Pacific has remained strong during November and December 2010...

Cassini's Snaps of Rhea Coming Down

Raw images obtained by NASA's Cassini spacecraft from the closest flyby of Saturn's moon Rhea have begun streaming to Cassini's raw image page...

Cosmology Standard Candle not so Standard After All

Astronomers have turned up the first direct proof that "standard candles" used to illuminate the size of the universe, termed Cepheids, shrink in ...

NASA Satellites Find High-Energy Surprises in 'Constant' Crab Ne

The combined data from several NASA satellites has astonished astronomers by revealing unexpected changes in X-ray emission from the Crab Nebula, once thought to be the steadiest high-energy source in the sky...