Pluto’s moons have a dark side. Kerberos, one of the dwarf planet’s five satellites, appears darker than its kin – and three of its siblings are locked in a rare dance, raising questions about how ...

(Los Angeles-AP) June 21, 2006 - The newest kids in the solar system now have proper names: Nix and Hydra. The pair of moons orbiting Pluto were officially christened last week by the International ...