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 ...

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 dubbed 3I/ATLAS is only the third interloper from outside the Solar System seen in all of human history.

A11pl3Z's eccentricity is now estimated to be near 6.0, the highest seen yet, confirming its hyperbolic orbit.

Astronomers have discovered a new interstellar comet passing through our solar system, marking the third interstellar object ...

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.

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

You can see the recently identified "interstellar object" 3I/ATLAS shooting towards us through the solar system in a ...

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