T he process that left Pluto and its largest moon orbiting each other at a close distance may have been a lot gentler than earlier believed, researchers say. In a study published in the journal ...

Charon is half the size of Pluto, “making it the largest known moon relative to its parent planet in our solar system,” NASA notes. So how did Pluto get its chonky companion? A new study ...

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 ...