The love story between Pluto and Charon may have started with a kiss. A new study suggests the dwarf planet and its scarcely smaller moon likely came together in a collision that saw them conjoined ...

"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 ...

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 ...