With Charon being half Pluto’s size, experts have struggled to explain how it ended up in the dwarf planet’s domain. Now, a team of researchers has suggested that Pluto may have secured Charon ...

The reason Pluto's relationship with Charon has been challenging to scientists is because of the relatively small difference in size and mass between the two icy bodies. "Charon is HUGE relative ...

“New Horizons shattered a major paradigm of planetary science,” says Alan Stern, the mission’s principal investigator. “Pluto ...

A new theory about Pluto’s largest moon, Charon, could alter how planetary systems are taught in U.S. schools. Scientists suggest that 4.5 billion years ago, Pluto and Charon experienced a "kiss ...

Pluto was always in a tough spot when it came to being a planet. Just 1,477 miles across, it's only one-fifth the diameter of Earth. It did have five known moons: Charon, Nix, Hydra, Kerberos and ...

7, 2025 — A researcher has used advanced models that indicate that the formation of Pluto and Charon may parallel that ... that is a large fraction of the size of the main body, unlike other ...

This story appears in the July 2015 issue of National Geographic magazine. Small, cold, and absurdly far away, Pluto has always been selfish with its secrets. Since its discovery in 1930, the ...