Dr. J. Allen Hynek pioneered new ways of studying aerial phenomenons and later developed a UFO classification system modeled by others, in this clip from Season 15, "The UFO Pioneers." Watch all new episodes of Ancient Aliens, Fridays at 9/8c, and stay up to date on all of your favorite shows ...

Could it be that the food of the gods was really sustenance for alien visitors? See more in Season 14, Episode 18, "Food of the Gods." 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 ...

Many sights of otherworldly figures have been reported in America. See more in this compilation from Ancient Aliens. 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. ...

In this jaw-dropping video, we showcase the Top 42 Real UFO Sightings Caught on Camera that will leave you amazed. From shocking UFO encounters to clearest UFO sightings, these real UFO footages capture the most unbelievable UFO sightings ever recorded. Whether you're a believer or a skeptic, ...

I saw a disc today and I said what he said I saw disc have you ever looked up at the night sky and pondered if we are truly alone in this vast Universe in this video we will explore intriguing historical events and photographs that ignite the imagination hinting at the possibility that we might ...

A shocking DNA study released in 2018 reveals that the original builders of Stonehenge mysteriously vanished. See more in Season 14, Episode 17, "The Secrets of Stonehenge." Watch all new episodes of Ancient Aliens, Fridays at 9/8c, and stay up to date on all of your favorite shows on The ...

Throughout ancient cultures there are stories of god-like beings providing instruction to early humans. See more in this scene from Season 20, Episode 16, "The Teachers." 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 ...

There are numerous historical, religious and mythic accounts of ancient civilizations being wiped out by volcanoes, earthquakes, floods, and meteors. See more in Season 2, Episode 6, "Alien Annihilation." Watch your favorite episodes of Ancient Aliens on The HISTORY Channel website at ...

Are these people the descendants of star beings? See more in this compilation from Ancient Aliens. 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 ...

Get ready to be amazed by these TOP 42 real UFO sightings caught on camera! These shocking footages are something you should not miss if you're a fan of UFO sightings and mysterious phenomena. Watch as we delve into some of the most compelling evidence of extraterrestrial activity on Earth - ...

Throughout ancient cultures there are stories of god-like beings providing instruction to early humans, helping our ancestors to establish the first civilizations and teaching them in various disciplines. See more in this scene from Season 20, Episode 16, "The Teachers." Watch all new episodes ...

Is it possible that the human brain possesses extraordinary untapped abilities--given to us by extraterrestrial beings? See more in Season 14, Episode 16, "The Alien Brain." Watch all new episodes of Ancient Aliens, Fridays at 9/8c, and stay up to date on all of your favorite shows on The ...