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NASA's Cassini Delivers Holiday Treats from Saturn
December 23, 2011 — No team of reindeer, but radio signals flying clear across the solar system from NASA's Cassini spacecraft have delivered a holiday package of glorious images. The pictures, from Cassini's imaging ... > full story -
WISE Presents a Cosmic Wreath
December 23, 2011 — Just in time for the holidays, astronomers have come across a new image from NASA's Wide-field Infrared Survey Explorer, or WISE, that some say resembles a wreath. You might even think of the red ... > full story -
NASA's Dawn Spacecraft Obtains First Low Altitude Images of Vesta
December 21, 2011 — NASA's Dawn spacecraft has sent back the first images of the giant asteroid Vesta from its low-altitude mapping orbit. The images, obtained by the framing camera, show the stippled and lumpy surface ... > full story -
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 -
NASA Developing Comet Harpoon for Sample Return
December 13, 2011 — The best way to grab a sample of a rotating comet that is racing through the inner solar system at up to 150,000 miles per hour while spewing chunks of ice, rock and dust may be to avoid the risky ... > 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
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