This colorful image of the Helix nebula may mirror what someday could become of our sun and our home planet. Released on ...

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.

Not fulfilling the second criteria, Pluto went from being the ninth planet in our solar system to one of five dwarf planets, with the IAU stating that Pluto is "an important proto-type of a new ...

The largest object is the asteroid belt is the dwarf planet Ceres ... a field-of-view large enough to capture the entire planet It is about five times the distance from the Sun that Earth is ...

Why was Pluto reclassified as a dwarf planet? One might think that it’s purely a matter of size. Mercury, the smallest of the ...

Together, dwarf planets can help scientists learn a lot about ... Miriam Kramer Miriam Kramer worked as a staff writer for Space.com for about 2.5 years before joining Mashable to cover all ...

The relative quantities of volatile gases like methane and ethane can reveal key details about distant Kuiper Belt objects.