Documents might help scientists shed light on unexplained phenomena and government secrets, experts said.

There are things the NASA chief has "come across in the job that he can’t explain," but aliens are not among them.

Baba Vanga, the 'Nostradamus of the Balkans,' may have foreseen Trump's alien revelations. Her chilling prophecies continue to captivate ...

Disclosing government documents about UFOs won't mean much without hard physical evidence for alien spaceships or alien bodies.

A viral Obama podcast answer about aliens prompted Trump to accuse him of revealing secrets and promise to release UFO files ...