Surprise! Pluto Has Blue Skies (Photo)

The more scientists learn about Pluto, the more interesting the dwarf planet gets. During its historic flyby of Pluto this past July, NASA's New Horizons spacecraft discovered towering ice mountains and vast glaciers on the frigid body. "Who would have expected a blue sky in the Kuiper Belt?" New Horizons principal investigator Alan Stern, of the Southwest Research Institute (SwRI) in Boulder, Colorado, said in a statement today (Oct. 8).