Are there really people from the stars? Do they have anything to do with the mysterious Phoenix lights sightings? See more in this clip from Season 4, Episode 5, "The Phoenix Lights Phenomenon." Watch all new episodes of History's Greatest Mysteries, returning Monday, January 30 at 9/8c, and ...

We’ve seen many super-intelligent heroes or villains across different comic universes. So, here’s one that’s an actual supercomputer. Brainiac was created by Otto Binder and Al Pastino and made his first appearance in Action Comics 242. His origin story has numerous variations across timelines. ...