Interstellar objects are visitors from solar systems beyond our own, and the third ever such object, known as 3I/ATLAS, has ...

New simulations have narrowed down where the newly discovered interstellar comet 3I/ATLAS likely came from, revealing it ...

A team of international astronomers, including a University of Michigan doctoral student, were the first to publish the ...

However, new research has shown this potentially "water ice-rich" visitor could be even more extraordinary than initially ...

A mystery interstellar object discovered last week is likely to be the oldest comet ever seen—possibly predating our solar ...

We've only known about its existence for a few short weeks, and already astronomers have been able to learn a lot about the mysterious interstellar comet 3I/ATLAS.

It's out of this world. Or, more accurately, this solar system.On July 1, astronomers discovered an object near the orbit of Jupiter that was somewhat peculiar. It had a strange orbit, one that didn't ...

Astronomers using the observatory in Hanle, Ladakh, have successfully photographed the interstellar comet C/2025 N1 (ATLAS), ...

Scientists discover 3I/ATLAS, a possible 7-billion-year-old comet from deep space. It may rewrite what we know about the ...

NASA confirms the arrival of 3I/ATLAS, the third interstellar object. The ATLAS project spotted it in June 2025. Its speed ...

Just the third-ever confirmed interstellar object has been detected in our solar system. Here's what we know. (Spoiler: It's ...