UFOs

In 2016, scientists made the astonishing discovery that 30 percent of all protein adaptations since humans' divergence with chimpanzees have been driven by viruses. See more in Ancient Aliens Season 14, Episode 9, "The Alien Infection."

Watch all new episodes of Ancient Aliens, Fridays at 9/8c, and stay up to date on all of your favorite shows on The HISTORY Channel website at http://history.com/schedule.

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"Ancient Aliens" explores the controversial theory that extraterrestrials have visited Earth for millions of years.

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Explore the chilling and dramatic secrets of human-alien DNA fusion in this Ancient Aliens compilation.

Watch all new episodes of Ancient Aliens, Fridays at 9/8c, and stay up to date on all of your favorite shows on The HISTORY Channel website at http://history.com/schedule.

#AncientAliens

Subscribe for more from Ancient Aliens and other great The HISTORY Channel shows:
http://histv.co/SubscribeHistoryYT

Find out more about the show and watch full episodes on our site:
https://histv.co/AncientAliens

Check out exclusive The HISTORY Channel content:
History Newsletter – https://histv.co/newsletter
Website – https://histv.co/History
Facebook – https://histv.co/Facebook
Twitter – https://histv.co/Twitter

"Ancient Aliens" explores the controversial theory that extraterrestrials have visited Earth for millions of years.

HISTORY® is the leading destination for award-winning original series and specials that connect viewers with history in an informative, immersive, and entertaining manner across all platforms. The network’s all-original programming slate features a roster of hit series, premium documentaries, and scripted event programming.