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 ...

Recently discovered invisible corridors, known as“interstellar tunnels,” have been found connecting regions of hot gas in our ...

Add Yahoo as a preferred source to see more of our stories on Google. Today is the day that astronomers, amateur stargazers and alien conspiracy theorists alike have been waiting for: interstellar ...

When 3I/ATLAS went round the back of the Sun as seen by Earth, the instant seemed as though it were a shut door. On October 30, the closest solar passage of the interstellar comet was at perihelion ...

(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 ...

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 ...

In the heart of our galaxy, scientists have discovered the largest sulfur-bearing molecule ever detected beyond Earth, with ...

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 ...