The Senate Armed Services Committee says Defense Secretary Leon Panetta and Gen. Martin Dempsey, the chairman of the Joint Chiefs of Staff, will testify on Thursday
The U.S. government, led by the Pentagon and CIA, censored or withheld for reasons of national security
Mars rover, Opportunity, is driving to a new study area after a dramatic finish to 20 months on "Cape York" with examination of a rock intensely altered by water.
NASA is developing the capabilities needed to send humans to an asteroid by 2025 and Mars in the 2030s
Elite U.S. Marines arrived in the Libyan capital more than 23 hours after the deadly Sept. 11 assault on a diplomatic mission in the city of Benghazi began
The following is a statement from NASA Administrator Charles Bolden on the passing of original Mercury astronaut Malcom Scott Carpenter
Despite statements by Vice President Joe Biden, the State Department is about to begin formal negotiations over the extension of U.S. troops past 2014
Defying 30 mph gusts and temperatures down to minus 22 F, NASA’s new polar rover recently demonstrated in Greenland that it could operate
For the first time in more than a decade, five NASA Earth science missions will be launched into space in the same year, opening new and improved remote eyes to monitor our changing planet.
The Director of National Intelligence has forbidden most intelligence community employees from discussing “intelligence-related information” with a reporter
What might look like a colossal jet shooting away from a galaxy turns out to be an illusion.
A University of Colorado Boulder research center will launch two payloads aboard Orbital Sciences Corp.’s commercial Cygnus spacecraft
Since last year’s revelations about the National Security Agency’s massive communications data dragnets, the spy agency has been inundated with requests
How well can you predict your next mood swing? How well can anyone?
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