A new image from NASA's Curiosity Mars rover is the first ever from the surface of Mars to show an asteroid, and it shows two: Ceres and Vesta.
The focus has fallen on the talking points the Obama administration used to describe the attack in the days following.
NASA's Cassini spacecraft has documented the formation of a small icy object within the rings of Saturn that may be a new moon
NASA's flying saucer-shaped test vehicle is ready to take to the skies from the U.S. Navy's Pacific Missile Range Facility in Kauai, Hawaii, for its first engineering shakeout flight.
Imagine robots no bigger than your finger tip scrambling through the rubble of a disaster site to search for victims or to assess damage.
Continuing a history of surprising behavior, material from Comet ISON appeared on the other side of the sun on the evening on Nov. 28, 2013
After a year of observations, scientists waited with bated breath on Nov. 28, 2013, as Comet ISON made its closest approach to the sun, known as perihelion.
Researchers with the 711th Human Performance Wing at Wright-Patterson Air Force Base, Ohio, are now working to make missions lighter and faster for Airmen by testing Google Glass
For every thought or behavior, the brain erupts in a riot of activity, as thousands of cells communicate via electrical and chemical signals.
The enormous increase in public attention to the drone war in the past year arguably began with the leak of a Justice Department “white paper”...
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
The CIA station chief in Libya reported to Washington within 24 hours of last month's deadly attack on the U.S. Consulate that there was evidence it was carried out by militants
NASA's Curiosity Mars rover and its recent tracks from driving in Gale Crater appear in an image taken by the High Resolution Imaging Science Experiment (HiRISE) camera
The following video was declassified by the National Reconnaissance Office (NRO).
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