Saturn's rings and several of its moons may be recent creations

Enceladus passing in front of Tethys, with Saturn's rings in the foreground NOT everything looks lovelier the longer and closer its inspection. But Saturn does. It is gorgeous through Earthly telescopes. However, the 13 years of close observation provided by Cassini, an American spacecraft, showed the planet, its moons and its remarkable rings off better and better, revealing finer structures, striking novelties and greater drama. Cassini's observations, which ended last September when the craft...