For thousands of years, cultures around the world have held a belief in stargates through which beings have traveled to Earth from distant points in the universe and even other dimensions. See more in this scene from Season 20, Episode 12, "Unlocking the Stargates." Watch all new episodes of ...

Egyptian hieroglyphs depict the use of light bulbs in tombs and secret chambers. See more in Season 5, Episode 3, "Alien Power Plants." 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 ...

Through an incredible technological breakthrough, experts have discovered everlasting synthetic DNA found in rare artifacts, in this clip from Season 15, "Impossible Artifacts." Watch all new episodes of Ancient Aliens, Fridays at 9/8c, and stay up to date on all of your favorite shows on The ...

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 ...

Ancient Astronaut Theorists believe The Ark posses mysterious energy allowing for the presence of otherworldly beings - possibly interpreted as God, in this clip from Season 6, "Aliens and The Lost Ark." Watch all new episodes of Ancient Aliens, Fridays at 9/8c, and stay up to date on all of ...

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 ...