Newly declassified documents, obtained by George Washington University's National Security Archive, appear to for the first time acknowledge the existence of Area 51.
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.
Following months of analysis and testing, the Kepler Space Telescope team is ending its attempts to restore the spacecraft to full working order
Atmospheric physicist Nick Gorkavyi missed witnessing an event of the century last winter when a meteor exploded over his hometown of Chelyabinsk, Russia.
NASA's Mars rover Opportunity is studying the area of contact between a rock layer formed in acidic wet conditions long ago and an even older one
Three more weapons from Fast and Furious have turned up at crime scenes in Mexico, CBS News has learned
The process for obtaining FBI files about family members who may have been the subject of a federal investigation has just become much simpler
Former U.S. Attorney Joe DiGenova shed new light on the circumstances surrounding the Sept. 11, 2012 Benghazi terrorist attack
The filmmaker who produced the YouTube video blamed for inciting the 9/11 attacks in Benghazi urged the Obama administration to be more careful
This graphic shows the orbits of all the known Potentially Hazardous Asteroids (PHAs), numbering over 1,400 as of early 2013.
Researchers at the University of Rochester have measured for the first time light emitted from a nanodiamond levitating in free space
On May 30, 2013, I talked with a witness who provided me with a detailed account of his encounter with an unidentified flying object
NASA's new short film "Water Falls" invites the public along for the ride as scientists follow water around the globe — on a globe.
An artist has created a sketch of the mysterious "angel priest" who witnesses say appeared at the scene of a Missouri car accident Sunday
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