Steven Spielberg returns to alien storytelling with Disclosure Day, a global thriller exploring what happens when humanity learns we are not alone.

Don’t expect a straightforward timeline, because continuity is a mess with the Alien and Predator timelines (even if, as in this list, you choose to ignore tie-in comics, novels, and games). Predator: ...

Dan Farah's documentary features 34 government officials, including senators from both parties, sharing their thoughts on alien life and the role that the U.S. might have played in covering it up.