Here's a rundown of 21 celebrities who believe aliens are real, and what they've said about our extraterrestrial neighbors.

Steven Spielberg sat down with E! News to talk about his lifelong belief in extraterrestrial life ahead of his upcoming film ...

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

Disclosure Day, the upcoming sci-fi movie from director Steven Spielberg, revolves around a plot to prove that aliens exist.

Here is a super creepy video of a real alien being interrogated by the top secret government alien interrogation program. To ...

Stephen Colbert just made it clear that he isn't leaving 'The Late Show' without forcing Barack Obama to confirm if aliens are real or not: 'Just come clean!' ...