Charon is large in size relative to Pluto, and is locked in a tight orbit with the dwarf planet. A new simulation suggests how it ended up there.

Pluto's big moon Charon may have a different origin story than scientists suspected. New research suggests the two bodies ...

Unlike Earth, where the Moon orbits the planet, Pluto and Charon orbit each other, forming a binary system that is more ...

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 ...

In our solar system, Earth is one of only three worlds that sees temperatures above 32 degrees Fahrenheit, while other ...

For decades, astronomers suspected that Pluto and Charon formed through a process similar to Earth and the Moon. This theory, ...

Billions of years ago, two icy worlds—Pluto and Chron—collided in the farthest reaches of our solar system. But rather than ...

Until now, the thinking was that Pluto and Charon formed like Earth and our Moon. New research has flipped that script.

Outer space is infinite, but that hasn't stopped humans trying to impose their laws on it. There are more ways for people to ...

“Because Pluto is rotating rapidly prior to the collision, and because Charon lies mostly outside of their corotation zone, ...