Planets

Planets

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  Quick hits and other moments from Obama inaugural

  A wistful moment for President Barack Obama came shortly after his public swearing-in ceremony. As he began walking off the inaugural platform to go ... 

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  NASA's older Mars rover notches another milestone

  Opportunity, NASA's other Mars rover, has tooled around the red planet for so long it's easy to forget it's still alive. Some 5,000 miles away from ... 

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  Space station to get $18 million balloon-like room

  NASA is partnering with a commercial space company in a bid to replace the cumbersome "metal cans" that now serve as astronauts' homes in space with ... 

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  NASA's Curiosity rover readying to drill on Mars

  Scientists have zeroed in on a Martian target for the Curiosity rover to drill into: A rock outcrop as flat as a pool table that's expected to yield ... 

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  Study: Billions of Earth-size planets in Milky Way

  Our Milky Way is home to at least 17 billion planets that are similar in size to Earth, a new estimate suggests. That's more than two Earth-size ... 

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  Martian rock from Sahara desert unlike others

  Scientists are abuzz about a coal-colored rock from Mars that landed in the Sahara desert: A yearlong analysis revealed it's quite different from ... 

• Road trip on tap for NASA's Mars rover in new year

  Since captivating the world with its acrobatic landing, the Mars rover Curiosity has fallen into a rhythm: Drive, snap pictures, zap at boulders, ...