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

There's a new interstellar comet in the neighborhood! Known as 3I/ATLAS, this comet poses no threat to Earth – but it does ...

The first interstellar object spotted in our Solar System was the cigar-shaped ‘Oumuamua, discovered in 2017 by the ...

A new object that is believed to be from beyond the solar system has been seen by scientists, according to astronomers. It ...

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 ...

We have discovered two interstellar objects so far, ’Oumuamua and Comet 2I/Borisov. ’Oumuamua had no dust tail and a significant nongravitational acceleration, which led to a wide variety of ...

An "interstellar object" is speeding toward the inner solar system, where Earth is located, astronomers have confirmed.

Astronomers have announced the discovery of A11pl3Z, a massive new interstellar object entering our solar system.

For only the third time in history, astronomers have detected a new interstellar visitor — an object from another star — blitzing into our solar system.

Experts have confirmed that the mysterious object hurtling towards us, previously dubbed A11pl3Z, is an "interstellar object.

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

A mysterious object the size of Manhattan, originating from outside our Solar System, has been spotted by astronomers.