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

Avi Loeb is best known for making questionable claims about evidence of alien technology.

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.

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

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.

Director Steven Spielberg claimed aliens have already visited planet Earth – and now scientists said he may be on the money, ...

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

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

For the first time in more than 15 years, the International Academy of Astronautics (IAA) Search for Extraterrestrial ...