NASA’s ATLAS survey telescope found an interstellar comet, which could be the largest yet, in the direction of the Sagittarius constellation.

Astronomers are tracking a newly spotted comet hailing from parts unknown, only the third time such an interstellar object ...

The European Space Agency said Wednesday that scientists have discovered what might be only the third known interstellar ...

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

CAPE CANAVERAL, Fla. (AP) — Astronomers say they've spotted an object in our solar system that's believed to be from another ...

I/ATLAS, earlier known as A11pI3Z, is only the third interstellar visitor to be discovered passing through our corner of the ...

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

It's only the third time that experts have spotted an object in the Milky Way that's come from a different solar system. Find out more here.

An interstellar object called 3I/ATLAS is now moving through our solar system, the third one we've seen in the last eight ...

The object — thought to be a comet — is only the third-ever confirmed interstellar visitor to pass through our cosmic ...

Astronomers have discovered a rare instance of a interstellar comet speeding through the solar system. The 3I/ATLAS was first ...

A new interstellar object, A11pl3Z, has been discovered in our solar system, marking the third such object to be observed. It ...