The findings have revealed a lot about Ceres' origin. The dwarf planet stands out from all the others in the asteroid belt.

An international team of astronomers reports the detection of two new brown dwarfs orbiting distant stars using NASA's ...

Gonggong is a dwarf planet and a member of the scattered disc beyond Neptune. As of 2019, its distance from the Sun is 88 AU, and it is the sixth-farthest known Solar System object.

Saturn was already the reigning champion in the moon department. Now, with 274, Saturn has more moons than all the other ...

Clyde Tombaugh discovered Pluto in 1930 at Lowell Observatory in Flagstaff. Here's how Pluto won - and lost - its planetary ...

Together, dwarf planets can help scientists learn a lot ... 2015 RR245 is catalogued as the "18th largest" object in the Kuiper belt, according to the Minor Planet Center, the organization ...

But the biggest confusion comes with the subtypes of the non-planets. If an object is large enough to make itself round but ...

A decades-old cosmic mystery may finally be solved. Scientists now suspect that the strange X-ray glow from a distant white ...

Some measure hundreds of kilometres across. The largest object is the asteroid belt is the dwarf planet Ceres, which is 950km in diameter (that's about the same the length as Great Britain).