In July 2025, astronomers spotted something remarkable passing through our Solar System, an object that had not come from ...

Strange interstellar comet speculated to be alien spacecraft is older than Solar System - Scientists say comet represents ...

A comet screaming in from another star system carried alien ice ratios never seen before. What scientists found inside its spinning nucleus is reshaping how we picture worlds beyond our sun.

One year ago, on July 1 2025, astronomers discovered a fascinating new object moving through the Solar System. Detected by ...

SETI scientists searched the interstellar object 3I/ATLAS for radio signals that could indicate extraterrestrial technology ...

One year ago, on July 1, 2025, astronomers discovered a fascinating new object moving through the solar system. Detected by the Asteroid Terrestrial-impact Last Alert System (ATLAS), the object was ...

Scientists reveal comet 3I/ATLAS is up to 12 billion years old, offering insights into ancient planetary systems and cosmic ...

The best way to find alien technosignatures is to look for ones that have long survived their creators, according to a new paper.

The SETI Institute is the latest to confirm what scientists have long suspected: the interstellar 3I/ATLAS comet is not an alien spaceship.

"Eventually, our own Voyager spacecraft will be extraterrestrial artifacts in other stellar systems." ...

NASA's James Webb Space Telescope found unusual isotopic signatures in interstellar comet 3I/ATLAS, suggesting it formed up ...

One year ago, on July 1 2025, astronomers discovered a fascinating new object moving through the Solar System. Detected by the Asteroid Terrestrial-impact Last Alert System (ATLAS), the object was ...