In recent years, we have seen increasingly more disclosures around the UFO and alien phenomenon ... just did not watch the ...

In this full Ancient Aliens episode, theorists investigate the mystery of the human genome and ponder the possibility that extraterrestrials aided in the survival of mankind from its earliest days.

Unsealed Alien Files investigates documents of alien and UFO encounters, made accessible to the public by the Freedom of Information Act. Each episode tackles a compelling alien case by opening these ...

The best of Sky HISTORY's award-winning documentaries and factual series are now available ... from some of our most popular shows like The Curse of Oak Island, Ancient Aliens and The UnXplained ...