Saturn’s rings may be far younger than the planet itself — Cassini-era estimates have placed their age anywhere from about 10 million to a few hundred million years, meaning the rings we see today may not have existed for most of the age of dinosaurs.

Saturn looks like the solar system’s old monument, a pale gas giant encircled by rings that seem as permanent as the planet itself. But one of the stranger conclusions to come out of the Cassini mission is that the rings may be much younger than Saturn, and perhaps young enough that they were absent for [...] The post Saturn’s rings may be far younger than the planet itself — Cassini-era estimates have placed their age anywhere from about 10 million to a few hundred million years, meaning the ri