An eyewitness in England spots a group of strange sheep possibly being manipulated by extraterrestrial forces, in this clip ...

As much as Steven Spielberg likes aliens, he seems to prefer holding them at arm’s length. The creatures in Close Encounters ...

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

When you get cowboys and aliens in the same movie, you're also going to have horses — and ended up being the root of an ...

An Arkansas resident recounts his extraordinary encounters with UFOs and humanoid beings resembling 'grey aliens', ...

The actress and director recalled being bucked off her horse and falling into a ditch with dozens of horses galloping toward ...

Science fiction stories about “alien” invaders are often political allegories for anxieties around immigration. Now, a government website depicts non-citizens as extraterrestrials.

The US pilot who was rescued after his plane was shot down in Iran chillingly recalled being swarmed by Iranian drones who ...

Add Yahoo as a preferred source to see more of our stories on Google. Illustration by Alberto Mier/CNN When the Trump administration registered the domains Aliens.gov and Alien.gov in March, UFO ...

David Grusch, a former intelligence official, claims the U.S. government is secretly funding programs to reverse-engineer alien technology, sparking debate over transparency and congressional ...

In the hours after the Supreme Court defeat, White House aides and allies discussed a number of policy options.

A polarizing Harvard astronomer known for splashy theories about alien visits has been tapped by the White House to lead a ...