Experts believe ancient alien civilizations have been living on mars. See more in this clip from Season 1, Episode 7, ...

There is currently no verified scientific evidence showing that extraterrestrial beings, organisms or technologies are present on Earth. NASA says it has found no credible evidence of extraterrestrial ...

A UFO filmmaker claims Donald Trump could pull off the ultimate political stunt by unveiling a living extraterrestrial to distract from a brutal midterm election defeat.

The former Pentagon UFO office chief says the FBI's triangular object sighting lacks evidence, calling witness credibility a ...

The Pentagon has released another batch of ‘UFO Files’ with footage of unknown objects in the sky—here are the most common alien theories, explained. This voice experience is generated by AI. Learn ...

Unidentified Anomalous Phenomena analyst Mick West said dozens of previously classified UFO files released by the Defense Department on May 8 showed no strong evidence of "any kind of advanced ...

One of the greatest mysteries of life is whether we are alone in the cosmos. The laws of probability suggest we aren’t, but despite centuries of searching, we have never seen any clear evidence of ...

Could ancient alien technology be hiding on the Moon? Scientists propose searching lunar dust for microscopic traces of ...

So far, the answer is no. Scientists have not verified an alien organism, spacecraft, manufactured extraterrestrial object or biological sample on Earth. NASA says it has found no credible evidence of ...