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

Steven Spielberg discussed his upcoming UFO film Disclosure Day and his views on potential real-world encounters in recent ...

Previous landmark scientific discoveries like the Higgs boson provide a better template for what it will take to confirm ...

The former president on why those waiting for Trump to disclose the existence of aliens are sure to be disappointed, and insisting first contact "hasn't happened yet." ...

The US government released new files on Unidentified Anomalous Phenomena (UAP). Florida has the second most UFO sightings.