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

What on Earth?! Most Americans believe that aliens exist — and more than one in five think they’ve already paid our planet a ...

People have questioned the existence of life on other planets for centuries, including celebrities. Here are five stars who have previously spoken about their belief in aliens: 1. Demi Lovato. During ...

Disclosure Day, the upcoming sci-fi movie from director Steven Spielberg, revolves around a plot to prove that aliens exist. Many fans have taken this to heart and believe that Spielberg is teasing ...