Welcome to SolarBalls, where you can enjoy entertaining space animations that facilitate learning about the solar system and ...

How many dwarf planets are there in our solar system? The recent discovery of 2017 OF201 makes the tally anywhere between five and 18, plus hundreds of potentially undiscovered ones, depending on ...

Eris is the largest dwarf planet in the solar system, larger than Pluto, and orbits at an average distance of 6,289,000,000 miles away from the sun, about 68 times further out than the Earth.

Scientists found a possible new dwarf planet — it could spell bad news for Planet 9 fans New Pluto mission could uncover dwarf planet's hidden ocean — if the 'queen of the underworld' gets to fly ...