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

An unknown object is heading toward our Solar System at an impressive speed. Astronomers believe it could be an interstellar visitor, only the third ever observed. First detected in late June by ...

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 ...

According to the story: “Astronomers are monitoring an object headed our way that may have wandered over from another star ...

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

A newly discovered object, dubbed A11pl3Z, appears to be moving too fast and straight to have originated in the solar system.

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 ...

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

The object is likely a 12-mile wide asteroid or comet from way, way out of town that just happens to be passing through our ...

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 ...