The impact would have meant that “basically the entire surface of Pluto gets resurfaced,” Dr. Denton said, with Charon losing most of the ice on its surface to its companion. “The impact is ...

There are regions in Pluto where huge ice structures exist. Scientists finally think they know how they are formed. Scientists have solved one of Pluto's most puzzling mysteries. In 2015 ...

But Pluto and Charon are ice-wrapped rocks. And it turns out you can’t ignore that. Simulations of Pluto’s and Charon’s first encounter show that each body remained mostly intact after a ...