What makes this chunk of dirty ice so magnetic is not only what it is, but where it came from. 3I/ATLAS is only the third confirmed interstellar object we've ever seen passing through our solar system ...

On a winter night in Chile in July 2025, astronomer Larry Denneau’s automated pipeline at the ATLAS (Asteroid ...

Comet 3I/ATLAS is the third known interstellar object to pass through our solar system, a cosmic rock first discovered by the NASA-funded Asteroid Terrestrial-impact Last Alert System (ATLAS) ...

3I/ATLAS is the third interstellar object ever discovered in our solar system. Telescope observations suggest it is a roughly 7-mile-wide (11 kilometers) comet zooming at more than 130,000 mph ...

Comet 3I/ATLAS is hitting a major milestone on Oct. 30, 2025. The interstellar comet is reaching perihelion, its closest point to our Sun, marking the climax of its brief journey through our solar ...

An interstellar comet first spotted passing through our solar system in July is beginning its departure from our corner of the universe — but first it will fly by Earth, and scientists are capturing ...

“We want very much to find signs of life in the universe,” Kshatriya said. NASA said 3I/ATLAS poses no threat to Earth and will get no closer than about 170 million miles to our planet. Fox said NASA ...

AUSTIN (KXAN) — We’re just days away from the arrival of a comet from outside of our solar system. On December 19, 3I/ATLAS will make its closest approach to Earth after months of travel. This is the ...