▶ Ancient Aliens – Space Week – YouTube.
ANCIENT ALIENS
For centuries, the achievements of the past baffled modern societies. How could ancient empires build architectural marvels like the pyramids or the Nazca lines? Tune in and learn more about the theorists who think they’ve found the answer.
PLANET X
With Pluto’s recent demotion from the ranks of proper planets, the slippery definition of what is or is not a planet has revived several astronomical conspiracy theories. Learn about the most bizarre conspiracies surrounding Planet X in this episode.
