How do we know 3I/ATLAS, also called comet C/2025 N1 (ATLAS), is interstellar? Will it strike Earth? Can we visit it? Here ...

Astronomers are scrambling to gather data on a mysterious object that’s currently hurtling through the solar system.

Astrophysicist Josep Trigo-Rodriguez of the Institute of Space Sciences near Barcelona, Spain, believes it is an interstellar ...

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

"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.

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

On July 1, scientists discovered a mysterious object hurtling through our solar system.  Nicknamed 3I/ATLAS, astronomers say ...

How frequently does a traveler from another star system sweep through our galactic neighborhood, and astronomers rush to the telescope? Not until recently was the answer: hardly ever. In fewer than ...

Astronomers have confirmed the presence of a new interstellar object hurtling through our solar system, on a trajectory that ...

An object from another star has been seen entering the solar system at high speed, and is expected to whip around the sun in ...

Astronomy news always seems to break over coffee, on laptop startup. That was the case on Wednesday morning, when word of a ...