An object thought to have come from another star has been seen entering the solar system at high speed, and is expected to ...

Researchers from the Nanjing Institute of Geology and Paleontology of the Chinese Academy of Sciences and Columbia University ...

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

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

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

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

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

Solar System Planets. Astronomy articles on the eight planets, plus the two dwarf planets, Pluto and Eris. Great pictures of everything in the solar system. Updated daily.

Voyager spacecrafts go beyond the solar system and garner several intriguing insights about the uncharted territory.

The monsterous 85-mile-wide comet C/2014 UN271 isn't just the largest icy rock in the Oort Cloud, it's the second most ...

NASA’s James Webb telescope captured its first direct image of a distant gas giant, revealing groundbreaking insights into ...