Did Aliens Predict Humanity’s End? | Ancient Aliens | History

From ancient prophecies to modern warnings, Ancient Aliens investigates whether extraterrestrial beings may have foretold a global doomsday—and if the signs of our end have already begun. See more in this Ancient Aliens compilation. "Ancient Aliens" explores the controversial theory that extraterrestrials have visited Earth for millions of years. The HISTORY® Channel, a division of A+E Global Media, is the premier destination for historical storytelling.

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