NASA has discovered a new interstellar comet that's currently located about 420 million miles away from Earth. The space ...

The newest visitor is 416 million miles from the sun, out near Jupiter, and heading this way at a blistering 37 miles per ...

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

Officially named 3I/ATLAS, the comet was confirmed as having originated outside of Earth's solar system on July 3, according ...

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

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

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

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