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 ...

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 ...

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

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.

The exoplanet, a planet beyond our solar system, has been dubbed TWA 7b after NASA's James Webb Space Telescope captured ...

Wide-orbit planets are fairly common according to the study, and there's a good chance we have one of our own.

In the latest shutdown, the cosmic ray subsystem experiment on Voyager 1 and Voyager 2’s low-energy charged particle ...