NASA has discovered an interstellar comet that's wandered into our backyard. The space agency spotted the object with the sky ...

Uranus: Size, distance from the Sun, orbit Uranus, the third-largest planet in the solar system, has an average temperature of –350° F and does not have a solid surface.

The distance of the Oort Cloud to the interior of the Solar System. The scale bar is in astronomical units, with each set distance beyond 1 AU representing 10 times the previous distance.

Rare "in-sync" solar system discovered by scientists 04:12. Astronomers have discovered a rare in-sync solar system with six planets moving like a grand cosmic orchestra, untouched by outside ...

There may be another world lurking between the orbital lines of our solar system. Astronomers in Japan have published their theory of an “Earth-like planet,” dubbed Planet Nine, that’s ...

Learn about the Solar System with these interactive learning resources for KS2 Science students aged 7-11 from BBC Bitesize.

A distant trans-Neptunian object, 2017 OF 201, has been identified at the solar system's edge, potentially qualifying as a dwarf planet with an estimated diameter of 700 km.

From quasi-moons to asteroids with rings, the Solar System is beaming with weird and exotic objects that tell the story of how it came to be billions of years ago.