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Sundiving Comet Storm
Sundiving Comet Storm
2010 ended with an unprecedented flurry of small comets diving into the sun. Researchers say this could herald a much larger comet still to come.Read More...
Asteroid Itokawa Sample Return
Asteroid Itokawa Sample Return
"It's an incredible feeling to have another world right in the palm of your hand," says Mike Zolensky, Associate Curator for Interplanetary Dust at Johnson Space Center. "We're seeing for the first time, up close, what an asteroid is actually made of!"Read More...
Geminid Meteor Shower Defies Explanation
Geminid Meteor Shower Defies Explanation
"The Geminids are my favorite," says NASA astronomer Bill Cooke, "because they defy explanation."

Most meteor showers come from comets, which spew ample meteoroids for a night of 'shooting stars.' The Geminids are different. The parent is notRead More...
The Sun Steals Comets from Other Stars
The Sun Steals Comets from Other Stars
The next time you thrill at the sight of a comet blazing across the night sky, consider this: it's a stolen pleasure. You're enjoying the spectacle at the expense of a distant star.Read More...
Dead Spacecraft Walking
Dead Spacecraft Walking
A pair of NASA spacecraft that were supposed to be dead a year ago are instead flying to the Moon for a breakthrough mission in lunar orbit.Read More...
NASA Spacecraft Hurtles Toward Active Comet Hartley 2
NASA Spacecraft Hurtles Toward Active Comet Hartley 2
NASA's Deep Impact/EPOXI spacecraft is hurtling toward Comet Hartley 2 for a breathtaking 435-mile flyby on Nov. 4th.Read More...
Aftermath of Possible Asteroid Collision
Aftermath of Possible Asteroid Collision
NASA's Hubble Space Telescope has captured rare images of a suspected asteroid collision. The snapshots show a bizarre X-shaped object at the head of a comet-like trail of material.Read More...
Saturn's Tiny Moon May Keep its Oceans Liquid by Wobbling
Saturn's Tiny Moon May Keep its Oceans Liquid by Wobbling
Saturn's icy moon Enceladus should not be one of the most promising places in our solar system to look for extraterrestrial life. But NASA's Cassini orbiter has found promising signs of liquid oceans -- a key ingredient for life.Read More...
The Year of the Solar System
The Year of the Solar System
To mark an unprecedented flurry of exploration which is about to begin, NASA announced today that the coming year will be "The Year of the Solar System"Read More...
Discovery of the Moon's Mysterious Mascons
Discovery of the Moon's Mysterious Mascons
While movie audiences watched scientists uncover a mystery on the Moon in 2001: A Space Odyssey, a strangely parallel story was unfolding in real life. And the first human missions to the Moon were at stake.Read More...
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Last Updated: 29 Jul 2014