If and when SETI discovers alien life, then a revised Declaration of Principles guarantees that once the discovery has been ...

Spielberg has always made his extraterrestrials glowy and good—except the one time he really, really didn’t.

The group leading the charge in the search for extraterrestrial life has given the all clear: An interstellar comet looks to ...

Steven Spielberg says he 'absolutely' believes aliens are real, active, and already on Earth, drawing on decades of UFO ...

The object, called 3I/ATLAS, is only the third interstellar visitor ever detected passing through our Solar System.

House Republicans placed two of California’s largest sanctuary cities into the crosshairs this week, opening a probe of law ...

Plenty of alien invasion movies have become box office hits and certified classics, but here are some forgotten alien ...

The White House launched aliens.gov, a space-themed site with live illegal immigrant arrest data, ICE heat maps and a tip ...

As the Pentagon throws open its extra-terrestrial files, Disclosure Day depicts encounters of an even closer kind.

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 ...

An alien invasion might sound like pure science fiction, but a scientist has now revealed what the terrifying consequences of this encounter might be.