Swiss author Erich von Däniken, known for his alien theory, died at 90 on January 11, 2026.

Swiss author and prominent alien theorist Erich von Däniken has died at the age of 90. He was best known for his 1968 book "Chariots of the Gods?" which proposed that ancient civilizations were influenced by extraterrestrial visitors. His work sparked widespread debate and popularized the idea of ancient astronauts, influencing science fiction, popular culture, and alternative history discourse.