From insects to the moon, people have mistaken very Earthly phenomena for UFOs many times.

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

Given the unique importance of a potential UFO visit, confirmation requires a high standard of evidence. Here are simple tips ...

A NASA astronaut preparing for a grueling eight-month stint in orbit reveals a plan to test for extraterrestrial life.

From the Navy’s infamous Tic-Tac encounter to thousands of recent reports, believers say some of the strangest UFOs may be hiding underwater.

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

Here's a rundown of 21 celebrities who believe aliens are real, and what they've said about our extraterrestrial neighbors. "It’s my first film that will be considered science fiction that I do not ...

A picture of the crowd from this year's Eurovision Song Contest.

The truth is out there '€” and these insiders risked everything to bring it to light. Join us as we count down our picks for ...

Audiences have propelled Spielberg’s alien thriller to the top of the box office. Yet some exiting the cinema appear to believe this sappy extravaganza is not the director’s finest hour ...