Saturn’s Rings May Be Younger Than the Dinosaurs, Raining an Olympic Pool of Ice into Saturn Every 30 Minutes, and They Are Already Disappearing

The probes rewrote Saturn's rings: possibly younger than the dinosaurs, raining an Olympic pool of ice into the planet every half hour, ten meters thick across a span of twenty Earths, streaked with spokes physics can't explain, and ringing like a bell that let scientists see the planet's slushy core.