Stories of strange encounters accompany many of history's major events. Is it merely coincidence? Or might it be evidence of...

A theoretical physicist at the University of Connecticut shares his prototype for a large time machine that extraterrestrials could’ve...

Former police detective Dave Paulides investigates a mysterious disappearance at Mount Shasta, in this clip from Season 17, "The Mystery...

Ancient Astronaut Theorists proposed a notion that the human race originated on Mars, and our journeys into space could be leading us...

On September 12th, 1991, NASA captured strange extraterrestrial activity but has since kept it hidden, in this clip from Season 4, "The...

The notion of a universe inhabited by aliens can be found just about everywhere in American popular culture. But could mankind really...

Brown Mountain in Burke County is reputed to have ghostly orbs of light radiating from the mountain. The Brown Mountain Lights date back...