Alien comet 3I/ATLAS wowed us as it passed through the inner solar system in late 2025, and now JWST has revealed something truly amazing. Based on its unique composition, this interstellar visitor ...

The third known visitor from another star system, 3I/ATLAS, has already delivered on one of the biggest promises in modern astronomy: a chance to treat an interstellar object as a potential alien ...

New James Webb observations suggest interstellar comet 3I/ATLAS contains ancient ice that may have formed up to 12 billion ...

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 ...

JWST measurements reveal unusual chemical signatures in 3I/ATLAS, suggesting the interstellar comet formed in an extremely ...

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 ...

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 ...

Space has a way of reminding us how little we actually know about the neighbourhood beyond our own front door. When a new visitor streaks through our solar system, scientists scramble to catch a ...

Astronomers say 3I/ATLAS offers a rare glimpse into material formed around another star, providing data that could reshape how scientists classify comets beyond our Solar System. When Comet 3I/ATLAS ...

Forbes contributors publish independent expert analyses and insights. An award-winning reporter writing about stargazing and the night sky. A deep image of interstellar Comet 3I/ATLAS captured by the ...

Astronomers found no radio signals from the comet that would suggest it is an extraterrestrial spacecraft. 3I/ATLAS was confirmed as the third known object to enter our solar system from interstellar ...

Scientists confirmed that the interstellar comet 3I/ATLAS, which passed closest to Earth in December 2025, showed no detectable technosignatures strong enough to suggest it is an alien spacecraft.