A spokesperson issued a statement Friday after Trump said his team would start “identifying and releasing” government files.

Scientists might have just found Earth's icy, distant cousin a few hundred million light-years away. HD 137010 b is one of thousands of exoplanets, or planets that orbit other stars, and is ...

Does NASA have files on aliens? Jared Isaacman says no, and tells Ross Douthat on “Interesting Times” that extraterrestrials would pick a more exciting locale to visit than America’s naval bases.

Add Yahoo as a preferred source to see more of our stories on Google. A composite view of Mars taken by the Viking I and II probes. NASA/USGS In September, NASA announced the discovery of a possible ...

NASA has responded to President Donald Trump's latest talk of unidentified flying objects (UFOs) and unidentified aerial phenomena (UAPs). UFO enthusiasts have waited decades for presidents of the USA ...

Are aliens real? The question has animated conspiracy theories for decades and enthralled at least one former president of the United States. In a recent interview, Barack Obama became the first ...

Barack Obama sparked a debate after seeming to confirm aliens are “real” on a podcast. The comment came as Congress continues ...

NASA has quietly hit pause on what it billed as its first dedicated hunt for alien biosignatures, reacting to fresh data that raised more questions than answers about how to tell life’s fingerprints ...

A new paper suggests that BARSOOM may have been alive on the planet, and was killed in the Viking experiments.

A viral Obama podcast answer about aliens prompted Trump to accuse him of revealing secrets and promise to release UFO files ...