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

Based on the comet's brightness and current distance — it's located just inside Jupiter's orbit — scientists estimate its ...

Comet Nishimura came into NASA's STEREO-A spacecraft's field of view. The solar wind was interacting with the tail of the ...

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

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

NASA has discovered an interstellar comet that's wandered into our backyard. The space agency spotted the object with the ...

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

Comet 153P/Ikeya-Zhang has broken the record for the longest tail, beating out the previous record holder by nearly double the length! ‘Truly Disturbed’: Newsom Presses Trump on $40B in Relief ...