There are some who believe that people with Rh-negative blood may have evolved from an extraterrestrial species in this clip from Season 11's episode, “The Prototypes“. #AncientAliens Subscribe for more from Ancient Aliens and other great HISTORY shows: Find out more about the show and watch full episodes on our site: Check out exclusive HISTORY content: History Newsletter: Website - Facebook - Twitter - “Ancient Aliens“ explores the controversial theory that extraterrestrials have visited Earth for millions of years. HISTORY®, now reaching more than 98 million homes, 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&
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