Astronomers have observed an object that originated from beyond our solar system, thought to be an interstellar comet, ...

Astronomers have confirmed the discovery of an "interstellar object" named 3I/Atlas passing through the inner solar system.

By Will Dunham WASHINGTON (Reuters) -Astronomers are tracking a newly spotted comet hailing from parts unknown, only the ...

For only the third time in history, astronomers have identified what they think is an interstellar object — and it could be ...

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

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

Astronomers spot a mysterious object from interstellar space. The object, 3I/Atlas, is traveling at 60 km/s. It poses no ...

NASA said the comet will make its closest approach to the sun in late October, scooting between the orbits of Mars and Earth ...

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

These things take millions of years to go from one stellar neighborhood to another, so this thing has likely been traveling ...