Pluto: A World of Blue Skies and Red Ice

A tiny frozen world three billion miles away from the sun isn't the place where you might expect to find a brilliant blue sky, but that's exactly what NASA's New Horizons team has discovered on far-off Pluto. Continue reading →

October 8, 2015
2:28 PM EDT
A 280-mile (450-km) -wide region on Pluto where water ice has been identified with New Horizons' Linear Etalon Imaging Spectral Array (LEISA) instrument. (The same region is shown at bottom in enhanced color.) | NASA/JHUAPL/SwRI. Composite by Jason Major