Category: Cosmic Mysteries

• The "Tunguska" Alien Crash (1908)

  This theory claimed that the Tunguska explosion in Siberia on 30 June 1908 was not a natural celestial event but the crash or impact of an artificial extraterrestrial object, often imagined in early sensational forms as a “Martian cannonball.” The theory grew out of the event’s extraordinary scale, the lack of an obvious crater, and the long delay before systematic investigation. Because early explanations were incomplete and the site remained remote, the event became a magnet for speculative interpretations long before a modern scientific consensus formed around an airburst.