Just 15 minutes after flying past Pluto, NASA’s New Horizons spacecraft turned back toward the distant world and captured one of the most breathtaking images of the mission. Taken from around 11,000 miles away, the near-sunset photograph reveals Pluto’s icy plains and towering mountains rising up to 11,000 feet high. The low angle of sunlight casts long shadows across the surface, highlighting the dwarf planet’s surprisingly rugged and complex terrain. Perhaps most striking are the layers of haz

Pluto's Mysterious Moons Nix and Hydra Come Into Focus in New Images