12th Planet

Type: Book

As of November 2026, 12th Planet has been mentioned in 2 episodes across 1 podcast, first heard Jan 2026 on Last Podcast On The Left. Mentioned as a book by Zecharia Sitchin that discusses the Nibiru conspiracy theory.

Zecharia Sitchin was an Azerbaijani-born author of a number of books proposing an explanation for human origins involving ancient astronauts. Sitchin attributed the creation of the ancient Sumerian culture to the Anunnaki, which he claimed was a race of extraterrestrials from a planet beyond Neptune called Nibiru. He claimed that Sumerian mythology suggests that this hypothetical planet of Nibiru is in an elongated, 3,600-year-long elliptical orbit around the Sun. Sitchin's books have sold milli