After almost 9 years in space that included an unprecedented July 4th impact and subsequent flyby of a comet, NASA's Deep Impact mission has ended.
New observations by the MESSENGER spacecraft provide compelling support for the long-held hypothesis that Mercury harbors abundant water ice
The larger of the two moons of Mars, Phobos, passes directly in front of the other, Deimos, in a new series of sky-watching images from NASA's Mars rover Curiosity.
Scientists using the Herschel space observatory have made the first definitive detection of water vapor on the largest and roundest object in the asteroid belt, Ceres.
Special Forces prepared to fly from Tripoli to Benghazi during the Sept. 11, 2012 attacks was forbidden...
Blown away by Hurricane Sandy: News of the Sept. 11 attacks in Benghazi, Libya.
The list of suspects in the Libya terror attack now extends to a handful of suspected militants aligned with an Egyptian group known as the Jamal Network
Has Voyager 1 left our solar system?
The Pentagon says that the U.S. military was ready within a few hours of the terrorist attacks on U.S. outposts in eastern Libya to respond to numerous possibilities, including hostages.
It's the latest pet project from the Pentagon's research wing known for its quirky and sometimes out-there ideas.
CBS News has learned that the Office of the Director of National Intelligence (DNI) cut specific references to "al Qaeda" and "terrorism"
It's so far away that even if you booked a trip on the speediest of our rockets, you'd have 100 million years to polish your Sudoku skills en route to Kepler 186f.
Climate change from greenhouse gas emissions might threaten spacecraft as well as people, a scientists suggested on Sunday
Lois Lerner’s emails, allegedly destroyed during a 2011 hard drive crash, have been “lost forever.”
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