Ruled by Hades, the god of the underworld, the infernal rivers of Greek mythology are often mentioned in ancient literature.

To reach the underworld, these souls had to cross the Styx and Acheron rivers, which separated the world of the living from the world of the dead. They were aided by Charon, the ferryman who would ...

While Charon is currently listed as a satellite or moon by the International Astronomical Union (IAU), consideration is being given to it perhaps being classified as a dwarf planet in its own right, ...