"It's half Pluto's size and 12% of its mass, which makes it much more similar to the Earth's moon than any other moon in the ...

That said, Earth's moon is notably large in comparison to its parent ... the largest moon of the dwarf planet Pluto. Unique among the many strange moons of the solar system, Charon is ...

But on Charon, Pluto's nearest moon, they found this most familiar of geological features. There was more, on Pluto itself, that recalled the American mid-west. Dark streaks on Pluto's plains ...

Using data collected by the spacecraft’s LEISA spectral imager, researchers are uncovering the true nature of Nix’s surface coarse, pure water ice that behaves like rock due to the extreme cold of ...

"The images that come down later this week will be better for crater counting, and then we can compare ... moon - so far no new moons...!!" Singer wrote on Reddit. But the team discovered that a ...