Astronomers have spotted unusual molecular activity in the largest Oort Cloud comet, comet Bernardinelli-Bernstein (C/2014 ...

Recent observations have revealed carbon monoxide venting from the largest comet ever seen, providing clues about its origins ...

The monstrous 85-mile-wide comet C/2014 UN271 is the second most distant body originating from the Oort Cloud found to be ...

It poses no threat to Earth, but this comet, called C/2014 UN271 (Bernardinelli-Bernstein), has enraptured astronomers ever ...

The icy giant is more than 10 times the size of any known comet, according to the National Radio Astronomy Observatory.

NASA observes largest Oort Cloud comet, C/2014 UN271, exploding with CO gas jets, thanks to ALMA’s deep-space capabilities.

On March 8, ALMA spotted a pair of jets blasting out of the comet's nucleus – its solid icy core. Spectrometry revealed that ...

Thanks to ALMA’s powerful precision, scientists have now confirmed that comet C/2014 UN271 holds the title of the largest ...

Comet A117uUD is expected to go interstellar at 6,700 mph. Astronomers have discovered that Saturn has thrown a newly found comet on its way out of the solar system. News ...

Close stellar encounters could change the structure of our planetary system, potentially dooming Earth or other worlds to ...

Astronomers believe they have discovered a fast-moving comet that Saturn sent careening out of our solar system at a speed far eclipsing humanity's fastest fighter jets.. Though the planetary ...

If our solar system seems stable, it's because our short lifespans make it seem that way. Earth revolves, night follows day, ...