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

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

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

New research suggests that alien radio signals may be transformed by plasma from their home stars — and scientists on Earth ...

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

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

NASA’s Perseverance rover has uncovered what may be the strongest evidence yet of ancient life on Mars. Inside a ...