Study pegs age of Saturn's rings at 400 million years old
Researchers have pegged the planet Saturn's rings' age at no more than 400 million years old, potentially answering a question that has boggled scientists for well over a century. The study, led by physicist Sascha Kempf at the University of Colorado Boulder, US, said that it has delivered the strongest evidence yet that Saturn's rings are remarkably young, much younger than Saturn itself, which is about 4.5…