Pluto can be thought of as being part of a binary system with its biggest satellite, Charon (pictured). Scientists have long thought that this system formed as the result of a collision between ...

Amanda Kooser covers the quirky side of science and space. Pluto has five moons, but Charon stands out from the rest. Charon is half the size of Pluto, “making it the largest known moon relative ...

Pluto is too far away from Earth to be seen with the naked eye. If you stood on Pluto's surface, the Sun would merely appear to be a very bright star. Although previous images showed that ...

New research suggests Pluto may have had a “kiss” with its largest moon billions of years ago in a harmless collision. The report, published in “Nature Geoscience,” describes how the ...

A NASA postdoctoral researcher at Southwest Research Institute has used advanced models that indicate that the formation of Pluto and Charon may parallel that of the Earth-Moon system. Both ...