Charon is the largest moon of the dwarf planet Pluto ... are only 12,176 miles (19,596 km) apart. Pluto and Charon are tidally locked to each other, meaning they always show the same face to ...

According to a recent YouGov poll, 35% of Americans think Pluto is not a planet. But they are all wrong—kind of. To get to ...

Scientists have discovered a new type of planetary collision called “kiss-and-capture,” where Pluto and proto-Charon briefly ...

Filmmaker Adam Nemoy helps celebrate the 90th anniversary of Pluto's discovery this month at the 6th annual 'I Heart Pluto' ...

The number of planets that orbit the sun depends on what you mean by “planet,” and that’s not so easy to define ...

The theory could explain how the dwarf planet (yeah, we wish Pluto was still a planet, too) could snare a moon that is around half ... Rather than mutually obliterating each other, the two bodies were ...

Pluto likely acquired large moon Charon in a “kiss and capture” collision billions of years ago. It may have created a subsurface ocean on the icy dwarf planet.

The other four moons—Nix, Hydra, Kerberos and Styx—are much smaller than Charon. One idea is that Pluto got its moon system when a massive object smashed into the dwarf planet. The resulting ...

Other examples of collisions are ... For example, Charon’s collision with Pluto would have raised the temperature of the the dwarf planet’s ice shell, which may have caused it to melt and ...