At the center is the sun, a yellow dwarf star that contains 99.8% of the solar system's mass. Everything else — from the eight major planets to dwarf planets, comets, asteroids, and icy objects ...

The Carnegie Institution for Science and the International Astronomical Union’s Minor Planet Center has announced the discovery of dwarf planet ... the life of the solar system and that there ...

There are five known dwarf planets in our solar system. One of them is named Ceres, after the Roman goddess of corn, agriculture, and harvests. Ceres is the closest dwarf planet to the sun.

The origin of a dwarf planet living in our solar system was a subject of debate for several years among astronomers. They now seem to have settled it. Ceres, a dwarf planet in the asteroid belt ...