NASA has discovered an interstellar comet that's wandered into our backyard. Luckily, it won't get near enough to be a threat ...

After defending his PhD thesis on modeling interstellar objects on Monday, June 30, Matthew Hopkins intended to take some ...

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

New photos, including a striking technicolor timelapse, show off the newly discovered interstellar object 3I/ATLAS as it shoots toward us through the solar system.

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

A massive comet — so large that scientists had previously mistaken it for a dwarf planet — is hurtling through space toward our solar system and is expected to arrive in about 10 years, new ...

Comet C/2022 E3 (ZTF) will pass near ... The flyby is a once-in-a-lifetime chance to see the "green comet," which poses no risk to the planet, before it continues on its far-flung orbit around ...

And as it decays, it is leaving behind a tail of matter like a comet. The planet BD+05 4868 A is located 140 light-years away, and is around the mass of Mercury.