8 burning theories that could prove 3I/ATLAS is an alien spacecraft, according to Harvard scientist

With 3I/ATLAS streaking away from our planet, speculation remains as to whether the interstellar comet is alien or not.
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It's aliens! We chat with the wild haired expert on the Alien Astronaut Theory

Giorgio A. Tsoukalos talks about the Alien Astronaut Theory & the new episodes of "Ancient Aliens" on The History Channel.