I/ATLAS, earlier known as A11pI3Z, is only the third interstellar visitor to be discovered passing through our corner of the ...

On July 2, 1985, the European Space Agency launched the Giotto space probe to get a close-up look at Halley's Comet. Nearly ...

The Bernardinelli-Bernstein comet, located in the Oort Cloud, was observed by the ALMA to record the first evidence of active ...

Designated 3I/Atlas, this is likely the largest yet detected and has been classified as a comet, or cosmic snowball ...

Astronomers are scrambling to gather data on a mysterious object that’s currently hurtling through the solar system.

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

Astronomers discovered that C/2014 UN271, a massive comet more than 10 times larger than any known comet, is emitting jets of ...

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

Astronomers are monitoring an object headed our way that may have wandered over from another star system. The European Space ...