What NASA found on Titan shocked scientists and changed how researchers viewed moons in deep space. Beneath layers of dense ...

For centuries, humanity has wondered whether we are truly alone in the universe — and now, NASA’s top official believes the ...

Sagan's team created the greatest puzzle of all time, which you can only solve if your species understands the basic nature of the universe.

The universe as we know it is about to change. Well, maybe. Per reports, NASA is set to announce "major" alien news on Thurs., Dec. 14, as well as information pertaining to the hunt for habitable ...

McClelland claims he is a retired NASA spacecraft operator (ScO) who worked with NASA’s Shuttle Fleet at the Kennedy Space Center in Florida from 1958 to 1992. He was involved in hundreds of NASA ...

NASA chief scientist Ellen Stofan was speaking at an annual conference in the capital on Tuesday about the search for habitable worlds and alien life. Stofan predicted that the discovery could be only ...

A NASA Curiosity rover image has sparked debate after a UFO hunter claimed it shows an alien missile, though NASA attributes it to natural rock formations.

(CNN) They may not be "Star Trek"-type extraterrestrials, but we may be close to finding evidence of alien life, a NASA scientist says."I think we're going to have strong indications of life beyond ...

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A strange rock formation captured in NASA rover footage has ignited fresh viral speculation regarding alien life on the Red ...