Scientists using the Hubble Space Telescope have confirmed that the Jupiter-orbiting moon Ganymede has an ocean beneath its icy surface, raising the prospects for life, National Aeronautics and Space Administration (NASA) said on Thursday (March 12). Scientists estimate the ocean is 60 miles (100 km) thick, 10 times deeper than Earth’s oceans, and is buried under a 95-mile (150-km) crust of mostly ice. The finding resolves a mystery about the largest moon in the solar system […]