Planets, moons and other celestial bodies are named according to rules established by the International Astronomical Union (IAU). Pluto did not have any rules for naming surface features because, ...

In Roman mythology, Pluto is the god and ruler of the dead. For a return mission to the dwarf planet, Howett and her colleagues opted for the name Persephone, after Pluto's wife and "queen of the ...

Today, let's talk about Pluto and Charon; these two have quite the story! Did you know that their 10-hour "intimate encounter" has shaken the field of astronomy to its core?