Did people actually spot these wild beasts in real life? 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 ...

Are we nearing the day when whistleblowers will finally be taken seriously--and their accounts proven true? Find out in this clip from Season 20, Episode 13, "THE WHISTLEBLOWERS." Watch all new episodes of Ancient Aliens, Fridays at 9/8c, and stay up to date on all of your favorite shows on ...

Earth is home to 10 quintillion insects. In cultures throughout the world, insects have been honored, feared and even revered as gods. See more in Season 7, Episode 7, "Aliens and Insects." Watch all new episodes of Ancient Aliens, Fridays at 9/8c, and stay up to date on all of your favorite ...

Joe Parr conducted experiments on the Great Pyramids that revealed an energy field that makes interdimensional space travel possible, in this clip from Season 5, "Secrets Of The Pyramids." Watch all new episodes of Ancient Aliens, Fridays at 9/8c, and stay up to date on all of your favorite ...

Has Antarctica served as a home base for extraterrestrial visitors to Earth for thousands of years? See more in Season 14, Episode 1, "Return to Antarctica." 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 ...

Crashed UFOs. Recovered alien entities. Secret programs. For decades, incredible claims have been made about an extraterrestrial presence on Earth--and the government has gone to great lengths to discredit them in Season 20, Episode 13, "THE WHISTLEBLOWERS." Watch all new episodes of Ancient ...

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 ...

Satellite images have revealed a giant face that appears to be carved into the Earth in Alberta, Canada, which has now become known far and wide as "The Badlands Guardian." See more in Season 14, Episode 2, "The Badlands Guardian." Watch all new episodes of Ancient Aliens, Fridays at 9/8c, and ...

Explore the enigmatic megalithic stones of Puma Punku, a site that has baffled archaeologists for centuries. Discover the secrets behind these massive, precisely cut stones and delve into the mysteries of this ancient Bolivian wonder. Watch all new episodes of Ancient Aliens, Fridays at 9/8c, ...

These three alien encounters changed history as we know it. See more in this compilation from Ancient Aliens. 0:00 -- chapter 1 (Da Vinci's Alien Encounter) 5:39 -- chapter 2 (1812 UFO Encounter Changes History) 9:50 -- chapter 3 (Most Famous UFO Sighting in England) Watch your favorite ...

Declassified videos are leaked from the Pentagon that appear to show UFOs. See more in this #Short from Ancient Aliens. Watch your favorite episodes of Ancient Aliens on The HISTORY Channel website at http://history.com/schedule. #AncientAliens Subscribe for more from Ancient Aliens and ...

He is one of the most prolific inventors of the 20th century--and the man that actually electrified the world. See more in Season 8, Episode 6, "The Tesla Experiment." Watch your favorite episodes of Ancient Aliens on The HISTORY Channel website at http://history.com/schedule. #AncientAliens ...