Check out 5 MORE mysterious UFO sightings that just can’t be explained, in this The Proof Is Out There compilation.

The Pentagon released its fourth batch of UFO files Friday following President Trump’s declassification order, including ...

Scientists are raising concerns that we may be overlooking evidence of extraterrestrial life even when it is present. Hidden ...

Having considered more than 1,000 cases, this analyst of unidentified anomalous phenomena has honed a rational process for ...

A set of protocols telling scientists what to do – and what not to do – if they ever detect evidence of intelligent life ...

Steven Spielberg's new blockbuster coincides with real-world disclosures about the government's investigation of unidentified phenomena. But there's no proof of aliens yet.

Neil deGrasse Tyson calls on the government to just show the alien, saying Americans are ready for disclosure after years of hearings and UAP files.

We might not be alone in the Universe. While combing through data from 1949, scientists spotted something impossible: strange ...

A polarizing Harvard astronomer known for splashy theories about alien visits has been tapped by the Trump administration to ...