Most UFO theories reach for outer space. The cryptoterrestrial hypothesis reaches down instead: it proposes that flying ...

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 ...

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

The Trump administration has tapped a Harvard professor with controversial theories about aliens to lead a team of scientists in studying UFOs.

Two months ago, scientists detected an unusual object entering our Solar System, sparking speculation about whether it is a ...

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 ...

The Pentagon released a fourth tranche of UFO files on Friday, disclosing the batch of 40 new files, of which 19 are videos.

In the 21st century, the theories regarding the existence of aliens refuse to dial down. Now, the recently resurfaced NASA photo of Martian planet has gone viral on various social media ...

WASHINGTON (AP) — A polarizing Harvard astronomer known for splashy theories about alien visits has been tapped by the Trump administration to lead a team of outside scientists to study the national ...

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 ...

“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 ...

The Pentagon has released another batch of ‘UFO Files’ with footage of unknown objects in the sky—here are the most common alien theories, explained. This voice experience is generated by AI. Learn ...