Pluto's volcanos are made of... ice?! NASA's mission to Pluto gathered the first close-up pictures of this strange and distant world, and now, new discoveries and the latest science reveal the secrets of its alien features, which could point to extraterrestrial life. #SpacesDeepestSecrets | Science Channel

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