New research suggests that billions of years ago, Pluto may have captured its largest moon, Charon, with a very brief icy "kiss." The theory could explain how the dwarf planet (yeah, we wish Pluto ...

Pluto was always in a tough spot when it came to being a planet. Just 1,477 miles across, it's only one-fifth the diameter of Earth. It did have five known moons: Charon, Nix, Hydra, Kerberos and ...

That, plus Pluto’s small size—smaller than our moon—suggested that the world did not accrete in its current orbit from the primordial gas and dust that gave rise to the sun and the planets ...

"Pluto has several moons orbiting around it and it has an atmosphere. Mercury doesn't have an atmosphere and it has no moons. Venus doesn't have a moon, either. Sometimes, if we think ...

The strongest heroes and villains in Sailor Moon have death, darkness, and destruction-based attacks and abilities.

But Pluto has in many ways only grown in astronomers’ estimations. It is now known to be part of an entire system of objects, gravitationally anchoring a cluster of five moons; it has a surface marked ...