Some Ancient Astronaut Theorists suggest that deep within our own planet could be another earth in this clip from Season 10, Episode 6, "The Other Earth". #AncientAliens Subscribe for more from Ancient Aliens and other great HISTORY shows: http://histv.co/SubscribeHistoryYT Find out more about ...

Deep in the ocean, researchers have found micro-meteorites from outer space that could be capable of carrying extraterrestrial life in this clip from Season 10, Episode 7, "Creatures of the Deep". #AncientAliens Subscribe for more from Ancient Aliens and other great HISTORY shows: ...

American psychic and healer, Edgar Casey, prophesied that a chamber under the Sphinx holds the hall of records from the lost city of Atlantis in this clip from Season 9, Episode 2, "Mysteries of the Sphinx". #AncientAliens Subscribe for more from Ancient Aliens and other great HISTORY shows: ...

For Ancient Astronaut Theorists, a twin Sphinx supposedly buried deep in the sand at the Giza Plateau could be the key to reconnecting us with our alien ancestors in this clip from Season 9, Episode 2, "Mysteries of the Sphinx". #AncientAliens Subscribe for more from Ancient Aliens and other ...

According to the Book of Enoch, "The Watchers" came down from heaven to impart knowledge on mankind, and Ancient Astronaut Theorists contend that these beings continue to monitor our daily lives in this clip from Season 9, Episode 3, "Aliens Among Us". #AncientAliens Subscribe for more from ...

Between the 11th and 19th centuries, monks in Japan practiced a ritual of self-mummification that some believe transported them to the higher realm of the Star Children in this clip from Season 9, Episode 5, "Secrets of the Mummies". #AncientAliens Subscribe for more from Ancient Aliens and other ...

Ancient Astronaut Theorists suggest that extraterrestrials taught ancient Egyptians the art of mummification in order to one day retrieve the DNA of the mummies and restore them to life in this clip from Season 9, Episode 5, "Secrets of the Mummies". #AncientAliens Subscribe for more from Ancient ...

African myths suggest voodoo magic originated with the sky gods who taught natives how to resurrect the dead and possibly inspired our modern day stories of zombies in this clip from Season 9, Episode 6, "Alien Resurrections". #AncientAliens Subscribe for more from Ancient Aliens and other great ...

Some ancient astronaut theorists believe it's possible that answers to life's greatest questions are hidden in our DNA in this clip from Season 9, Episode 7, "Alien Messages". #AncientAliens Subscribe for more from Ancient Aliens and other great HISTORY shows: http://histv.co/SubscribeHistoryYT ...

Researchers believe there could be a connection between carvings in the Roswell Rock and crop circles in England in this clip from Season 9, Episode 7, "Alien Messages". #AncientAliens Subscribe for more from Ancient Aliens and other great HISTORY shows: http://histv.co/SubscribeHistoryYT Find ...

If extraterrestrials are watching over humanity, Ancient Astronaut Theorists suggest the next great global catastrophe could be caused by our heavenly ancestors in this clip from Season 9, "The Great Flood". #AncientAliens Subscribe for more from Ancient Aliens and other great HISTORY shows: ...

Tune in to Alien Invasion Week on History starting Monday 9/30 through Friday 10/4 for new Ancient Aliens, plus the premiere of In Search Of, new UFO Specials and More! Ancient Astronaut Theorists claim that extraterrestrials influenced the outcome of the Civil War and made believers out of ...