
The home of the unexplained and all things alien. Discover UFO sightings and real-life mysteries, mind blowing docs, investigative series, and the best of sci-fi.

A new theory is posed about what really happened to Charles Lindbergh's kidnapped son; experts may have finally solved one of Hollywood's biggest murder mysteries; a small Ohio town seeks answers to thousands of threatening letters.

Experts investigate the abduction of Betty and Barney Hill; new evidence surfaces about abductee Travis Walton; there may be an earthly explanation for the Mothman.

New theories about the Mantell UFO incident are revealed; scientific evidence may explain a UFO encounter in Texas; experts investigate what really crashed into a Canadian harbor.

Experts investigate the mystery of the Bermuda Triangle; researchers seek answers about strange sightings in Massachusetts; a murderer may be responsible for a string of unexplained disappearances in Bennington, Vt.

Experts may have finally identified the strange creatures that besieged a Kentucky farmhouse; new evidence could explain the largest mass UFO sighting in U.S. history; investigators seek answers in Chicago's O'Hare International Airport sighting.

Beth Duncan experiences something strange on her property outside Wineberry, W.Va.; amongst the hills and hollers of the mountain state, a mystery unfolds that stretches the limits of what is known about Bigfoot.

Teotihuacan, the City of the Gods, still hides mysteries about its origin, layout, and cosmic alignments.

Claims suggest secret space programs have sent humans to Mars.