According to data gathered from the New Horizons spacecraft, scientists say that Pluto is likely to have water ice, geysers, and volcanoes. The ice mountains are 11,000 feet high, and the planet's ...

The flyby of New Horizons nine years later revealed Pluto to be geologically active and complex, with nitrogen-ice plains, mountain ranges, dunes and ice volcanoes. It was shown to have its own ...