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Meteorite Shockwaves Trigger Dust Avalanches on Mars
December 16, 2011 — Dust avalanches around impact craters on Mars appear to be the result of the shock wave preceding the actual impact, according to a new study. Small impacts might therefore be more important in ... > full story -
Scientists Find Microbes in Lava Tube Living in Conditions Like Those on Mars
December 15, 2011 — A team of scientists from Oregon has collected microbes from ice within a lava tube in the Cascade Mountains and found that they thrive in cold, Mars-like conditions. They have characteristics that ... > full story -
Preparing for Future Human Exploration, RAD Measures Radiation on Journey to Mars
December 13, 2011 — The Radiation Assessment Detector, the first instrument on NASA's next rover mission to Mars to begin science operations, was powered up and began collecting data Dec. 6, almost 2 weeks ahead of ... > full story -
NASA Mars-Bound Rover Begins Research in Space
December 13, 2011 — NASA's car-sized Curiosity rover has begun monitoring space radiation during its 8-month trip from Earth to Mars. The research will aid in planning for future human missions to the Red Planet. ... > full story -
Portraits of Saturn Moons Captured by Cassini
December 13, 2011 — NASA's Cassini spacecraft successfully completed its closest-ever pass over Saturn's moon Dione on Dec. 12, slaloming its way through the Saturn system on its way to a close flyby of Titan. Cassini ... > full story -
NASA's Dawn Spirals Down to Lowest Orbit Around Giant Asteroid Vesta
December 13, 2011 — NASA's Dawn spacecraft successfully maneuvered into its closest orbit around the giant asteroid Vesta Dec. 12, beginning a new phase of science observations. The spacecraft is now circling Vesta at ... > full story -
As Voyager 1 Nears Edge of Solar System, Scientists Look Back
December 13, 2011 — In 1977, Jimmy Carter was sworn in as president, Elvis died, Virginia park ranger Roy Sullivan was hit by lightning a record seventh time and two NASA space probes destined to turn planetary science ... > full story -
Cassini to Make a Double Play
December 12, 2011 — In an action-packed day and a half, NASA's Cassini spacecraft will be making its closest swoop over the surface of Saturn's moon Dione and scrutinizing the atmosphere of Titan, Saturn's largest ... > full story -
New Tool for Touring Mars Using Detailed Images
December 7, 2011 — An improved tool debuts Dec. 7 for viewing channels, dunes, boulders and other features revealed in the huge image files from the High Resolution Imaging Science Experiment (HiRISE) camera on NASA's ... > full story -
NASA Mars Rover Finds Mineral Vein Deposited by Water
December 7, 2011 — NASA's Mars Exploration Rover Opportunity has found bright veins of a mineral, apparently gypsum, deposited by water. Analysis of the vein will help improve understanding of the history of wet ... > full story
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