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

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

When the news started to spread on July 1, 2025, about a new object that was spotted from outside our solar system, only the ...

The ATLAS (short for Asteroid Terrestrial-impact Last Alert System) is a NASA-funded program developed by the University of ...

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 manning an asteroid warning system caught a glimpse of a large, bright object zipping through the solar system ...

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

"Astronomers may have just discovered the third interstellar object passing through the Solar System!" the agency's ...

Newfound interstellar object 3I/ATLAS may be carrying pristine material from early in the Milky Way’s star-forming history.

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.

The interstellar comet 3I/Atlas is the fastest and largest of its kind, giving astronomers a rare glimpse into extrasolar ...