21 celebrities who believe aliens are real — including those who claim to have seen a UFO

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

Are aliens real? US releases declassified 'UFO' files, photos

"Never-before-seen files" on UAPs posted by US Department of War, including some images taken by Apollo missions.

Obama Says UFO Disclosure Won’t Happen: “Government Is Terrible at Keeping Secrets”

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." ...

Neil DeGrasse Tyson: If Any Of These "UFO Files" Are True, "Just Bring Out The Alien"

Astrophysicist Neil deGrasse Tyson speaks with CNN's Dana Bash about "never-before-seen files" on UFOs released by the FBI and the Pentagon last week. "Given the testimonies we have heard delivered in ...