US government aware of several kinds of alien life, whistleblower claims - Government whistleblower David Grusch previously told Congress that the federal government had recovered non-human ‘biologics

If and when SETI discovers alien life, a revised Declaration of Principles guarantees once the discovery has been verified, its disclosure will come soon after.

Could scientists be overlooking life in space?

As the world waits for Disclosure Day , director Steven Spielberg is reigniting the debate about life beyond this planet. At the film's New York premiere on June 8, Spielberg offered a peek into how his family views the possibility of extraterrestrial life.

Explore the world of UFOs from all angles with these books covering the history, sociology and weirder takes on the phenomenon.

Steven Spielberg discusses his new UFO film "Disclosure Day" on Michelle Obama's podcast, saying it explores whether aliens have already reached Earth.

Scientists are listening in on sperm whale conversations and studying Earth's strangest microbes to prepare humanity for first contact with extraterrestrial life.