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

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 ...

New research says that Earth could be ejected from our solar system if a passing star was to come close enough.

In the outer reaches of our solar system, far beyond the orbit of Pluto, lies Sedna, one of the most mysterious objects ever ...

The Solar System might not be as quiet and orderly as we think. Imagine one day looking up and seeing something strange in ...

For years, astronomers have been searching for a mysterious ninth planet lurking in the dark outer reaches of our solar ...

The first images released by the Vera C. Rubin Observatory show details of our Solar System with unprecedented clarity.

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

Scientists may have discovered a dwarf planet far beyond Neptune — an unearthing that may disprove a longstanding theory ...