Comet 31/ATLAS is only the third interstellar object to ever be observed whizzing through the Solar System. While its origins are uncertain, the comet is thought to come from a part of the Milky Way ...

ABC News' political director Averi Harper breaks down the race in Arizona that's putting a spotlight on the divide in the Democratic Party.

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

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

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

What can a newly discovered interstellar comet teach scientists about solar system formation and evolution? This is what a recent study presented at the Na | Space ...

The comet 3I/ATLAS is the third confirmed interstellar object and is likely 3 billion years older than our own solar system.

Astronomers have been given the rare opportunity to study an extrasolar object after the recent discovery of the interstellar ...

A comet is hurtling into our solar system from interstellar space at about 152,000 miles per hour. The comet, named 3I/ATLAS, was discovered by the ...

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.

A newly discovered comet, 3I/ATLAS, may be the most ancient visitor ever detected, potentially older than our solar system itself. Unlike previous interstellar objects, this ice-rich comet seems to ...

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