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

This video breaks down why K2-18b has suddenly become one of the most important planets in the search for life beyond Earth.

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 ...

Is the rest of the cosmos a pristine environment awaiting the arrival of humanity’s “post-human” descendants? Or is advanced ...

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

An unusual sighting in a NASA image has reignited speculation that something extraterrestrial once existed on Mars.

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

Disclosure Day treats extraterrestrial life as a challenge to faith. It’s not.

Astrophysicist Neil deGrasse Tyson has a blunt request for the government as the Pentagon rolls out the highly anticipated ...