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

The astronomical community is abuzz over a newly discovered "interstellar object," only the third of its kind ever seen, ...

Astronomers have spotted a new interstellar object — the third of its kind ever seen — shooting towards us through the solar ...

A rare interstellar comet is flying through our solar system. Here's how—and when—you might be able to see Comet ATLAS from ...

Astronomers have confirmed the third interstellar object on record is dashing through our solar system. Dubbed 3I/ATLAS, it ...

What at first seemed a routine detection of an object travelling through the solar system soon turned out to be anything but.

On July 1, 2025, the Asteroid Terrestrial-impact Last Alert System (ATLAS) survey telescope, located in northern Chile, ...

After defending his PhD thesis on modeling interstellar objects on Monday, June 30, Matthew Hopkins intended to take some ...

Astronomers tracking an interstellar object flying through the solar system think it comes from a star at least 8 billion ...

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

Astronomers have discovered yet another alien visitor to the Solar System.

I/ATLAS might be over 7 billion years old, a new study reports, which would make it the oldest comet known. But experts caution we need more data.