The U.S. Air Force launched the second satellite in its next-generation missile warning constellation Tuesday from Cape Canaveral Air Force Station, Fla.
Two new views from NASA's Nuclear Spectroscopic Telescope Array, or NuSTAR, showcase the telescope's talent for spying objects near and far.
If some unidentified flying objects (UFOs) are related to intelligent visitors from elsewhere, what is the impact on national security and global security? This
Tracking the thousands of tiny objects cluttering up Earth's orbit is becoming an expensive proposition for the military.
An analysis of a rock sample collected by NASA's Curiosity rover shows ancient Mars could have supported living microbes.
Sen. John McCain Thursday called the Obama administration's response to the attack on the U.S. Consulate in Benghazi, Libya, "a classic scandal and cover-up"
UPDATE: An unidentified flying object which ruined the travel plans of passengers at Bremen airport on Monday night looked like a plane but was a lot louder, according to eyewitnesses.
A witch appears to be screaming out into space in this new image from NASA's Wide-Field Infrared Survey Explorer, or WISE.
Special Forces prepared to fly from Tripoli to Benghazi during the Sept. 11, 2012 attacks was forbidden...
NASA's Mars rover Curiosity has completed initial experiments showing the mineralogy of Martian soil is similar to weathered basaltic soils of volcanic origin in Hawaii.
CBS News has learned that the Office of the Director of National Intelligence (DNI) cut specific references to "al Qaeda" and "terrorism"
Ahmed Dogan’s valedictory speech as leader of the Movement for Rights and Freedoms instantly became international news
More than 35 years after it launched on a mission to explore the cosmos, NASA's unmanned Voyager spacecraft appears to have left the solar system.
In the spirit of Halloween, scientists are releasing a trio of stellar ghosts caught in infrared light by NASA's Spitzer Space Telescope.
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