Icy Volcanoes May Erupt on Pluto

Icy volcanoes may lie on the southern rim of Pluto's frozen heart. Images from NASA's New Horizons spacecraft have identified two peaks that tower nearly 4 miles (6 kilometers) high over the surface of the dwarf planet, and scientists say the peaks' physical features suggest they might be volcanoes. "These are two really extraordinary features," Oliver White, a New Horizons postdoctoral researcher with NASA's Ames Research Center in California, said today (Nov. 9) during a news conference here a