Add Yahoo as a preferred source to see more of our stories on Google. Those concerned that 3I/ATLAS' arrival to our solar system meant that some sort of alien invasion was imminent can breathe a sigh ...

For months, scientists and the public have squinted their eyes at photos of a blurry smudge to figure out if it’s proof that aliens exist. Discovered in July, 3I/ATLAS is not your average comet – it’s ...

Could these be signs of artificial 3I-ntelligence? With 3I/ATLAS streaking away from our planet, speculation remains as to whether the interstellar comet is alien or not. NASA has staunchly maintained ...

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

A team of astronomers found no radio signals from the comet that would suggest it is an extraterrestrial spaceship. The comet was confirmed in July 2025 as the third known object to enter our solar ...