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

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

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.

New research suggests that alien radio signals may be transformed by plasma from their home stars — and scientists on Earth could thus be overlooking prime evidence of alien intelligence.

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.

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

Jared Isaacman says NASA has captured imagery of unknown objects it cannot explain, as Trump pushes broader UAP ...

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

The SETI Institute is the latest to confirm what scientists have long suspected: the interstellar 3I/ATLAS comet is not an alien spaceship.

Avi Loeb, a Harvard astronomer who has made headlines with his theories about alien encounters, will lead a White House ...

"Disclosure Day" director Steven Spielberg opens up to USA TODAY about aliens, AI and why he'll never quit making movies.