Another batch of "UFO Files" have been dropped by the Pentagon, featuring previously classified documents, audio and footage of strange objects in the sky. The new release comes two weeks after the ...

Learn about the theories behind the unusual dimming of Tabby's Star, from alien megastructures to an orbiting companion ...

"Disclosure" has become a cult word. It shouldn't be, since all it means, technically, is to reveal something. But the new wave of alien conspiracy theorists have made "disclosure" into a teasingly ...

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 ...

Area 51 - the base has been a testing ground for a host of top-secret aircraft, including the U-2 in the 1950s and later the B-2 stealth bomber.

If we discovered evidence of alien life, would we even realise it? Life on other planets could be so different from what we’re used to that we might not recognise any biological signatures that it ...