Many experiences trace back to sleep paralysis, where people wake up unable to move and the mind fills the gap with terrifying imagery. To the person living it, the event feels completely real.

People who believe they've been abducted by aliens have always resided at the farthest fringes of science, and the recent claim by a UFO cult known as the Raelians that they had cloned a human being ...

Since the days of classic movies like Invasion of the Body Snatchers and War of the Worlds, aliens have been a cornerstone of the science fiction genre. Covering everything from humanity making first ...