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

A polarizing Harvard astronomer known for splashy theories about alien visits has been tapped by the White House to lead a ...

Steven Spielberg's new blockbuster coincides with real-world disclosures about the government's investigation of unidentified ...

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

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

WASHINGTON (AP) — A polarizing Harvard astronomer known for splashy theories about alien visits has been tapped by the White House to lead a team of outside scientists to study the national security ...

Steven Spielberg says if a real "Disclosure Day" happened, it would "unite the human race." But what will become of Christianity if aliens exist?

The best way to find alien technosignatures is to look for ones that have long survived their creators, according to a new ...