A University of Colorado Boulder research center will launch two payloads aboard Orbital Sciences Corp.’s commercial Cygnus spacecraft
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
A clear majority of Americans still suspect there was a conspiracy behind President John F. Kennedy's assassination
While others speak of curbing intelligence surveillance activities, the Defense Science Board argues in a new report that the U.S. government should expand and accelerate
The U.S. government, led by the Pentagon and CIA, censored or withheld for reasons of national security
Astronomers using the NASA/ESA Hubble Space Telescope have captured new images of the dancing auroral lights at Saturn’s north pole.
Since last year’s revelations about the National Security Agency’s massive communications data dragnets, the spy agency has been inundated with requests
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 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
For every thought or behavior, the brain erupts in a riot of activity, as thousands of cells communicate via electrical and chemical signals.
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.
The U.S. Air Force is working as fast as it can to certify the ability of privately held Space Exploration Technologies, or SpaceX, to compete for work launching military and intelligence satellites
Many Americans fall into one of two categories. One is made up of those who see a basement or attic filled with stuff, shut the door and find something else to do.
The following is a statement from NASA Administrator Charles Bolden on the passing of original Mercury astronaut Malcom Scott Carpenter
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