NASA’s Transiting Exoplanet Survey Satellite has once again surprised astronomers by tracking interstellar comet 3I/ATLAS, a ...

Add Yahoo as a preferred source to see more of our stories on Google. The mystifying 3I/ATLAS interstellar comet is blazing toward Earth and will in a matter of days come as close to our planet as it ...

Friday, Dec. 19 is the day that astronomers, amateur stargazers and alien conspiracy theorists alike have been waiting for: Interstellar comet 3I/ATLAS is as close to Earth as it will ever get. But ...

Astronomers found an interstellar "tunnel" - a cosmic channel that connects our solar system to distant stars, according to a ...

Interstellar showcased a bleak future, but NASA's Artemis II mission looks to avoid a possible future for something even ...

Interstellar comet 3I/ATLAS made its closest approach to Earth on Friday, Dec. 19. The comet will pass within about 170 million miles of our planet and poses no danger. While not visible to the naked ...

(CNN) — An interstellar comet first spotted passing through our solar system in July is beginning its departure from our corner of the universe — but first it will fly by Earth, and scientists are ...

Scientists report the first confirmed detection of thiepine, a complex sulfur-bearing molecule, in an interstellar cloud near the Milky Way’s center.

CAPE CANAVERAL, Fla. (AP) — A stray comet from another star swings past Earth this week in one last hurrah before racing back toward interstellar space. Discovered over the summer, the comet known as ...