Almost 10 years ago, a NASA spacecraft was able to take several photos of Pluto, known for decades as a planet before it was ...

Out past Neptune are countless small icy and rocky bodies called Trans-Neptunian Objects (TNOs), and many of these have moons as well. While some TNOs could be called dwarf planets because of their ...

How can Uranus be used to indirectly study its moons and identify if they possess subsurface oceans? This is what a recent ...

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

The world of Sailor Moon does not just relate to our own solar system, but the many unknown planets from the original story ...

The event will be ten times brighter than our Moon in the night sky, but never fear, it won't happen for another 23 billion ...

A pair of white dwarfs, located just 150 light-years from Earth, appears doomed to die in a type 1a supernova that will shine ...

One of these dwarf planets actually orbits in between Mars ... Pluto is smaller than Earth's moon, yet it still manages to have five moons of its own. Their names are Styx, Nix, Kerberos, Hydra ...

A nearby cosmic ticking time bomb has been found! Just 150 light years away, a pair of white dwarf stars are on a death spiral, destined to explode in a type 1a supernova. This discovery confirms long ...