It's World UFO Day, but questions about aliens, UFOs and what governments know about them remain. UFO researcher Jon Stewart ...

Vanity Fair reports from the Capitol Hill conference, where members of a sprawling community of national security experts and ...

Avi Loeb’s White House panel has asked the Pentagon for videos and files on unexplained aerial sightings ...

Directed by Steven SpielbergAn ordinary lineman becomes obsessed with mysterious visions after witnessing a UFO, while a ...

A military whistleblower claims U.S. officials received intelligence about bipedal aliens, plasmoids, and crashed UFO ...

The American government, according to one whistleblower, already knows that life beyond Earth comes in more than a single ...

A Ukrainian drone attack on Moscow's oil refinery has triggered a wave of speculation online after videos appeared to show a UFO-like object soaring above the facility.

Alien invasion movies don’t always send us into orbit, but there are more than a few we consider to be out of this world. And the thing about UFO films is, even when they are bad, they can be a total ...

A hoax 'alien invasion' alert in Brazil caused panic and amusement, revealing vulnerabilities in emergency systems.

Imagine being in bed, sound asleep, when your country's emergency alert system suddenly goes off on your phone. Scary stuff.

In one of the most memorable moments — and my personal favorite scene — from M. Night Shyamalan’s 2002 sci-fi thriller “Signs ...