The search for extraterrestrial intelligence (SETI) is mostly concerned with where to look for technosignatures from another ...

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 ...

Finding a signal from an extraterrestrial civilization takes more than just pointing a telescope in the right direction. We ...

For the first four movies, Sigourney Weaver’s Ellen Ripley was the undisputed main character of the Alien franchise. Every film revolved around her, and she was as integral to this saga as the ...

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 ...

“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 ...

There was a time in the not-too-distant past when you’d only encounter images of the president hanging with aliens at the checkout counter, tucked between Harlequin romance novels and issues of TV ...