The planet Uranus and its five biggest moons may not be the dead sterile worlds that scientists have long thought. Instead, they may have oceans, and the moons may even be capable of supporting life, scientists say. Much of what we know about them was gathered by Nasa’s Voyager 2 spacecraft... flew past and sent back sensational pictures of the planet and its five major moons. But what amazed scientists even more was the data Voyager 2 sent back indicating that the Uranian system was even weirder than they thought. The measurements from the spacecraft’s instruments indicated that the planets...