A fundamental motivation for our exploration of Mars is the search for the presence of extinct or extant life. But where should we look? New knowledge of Mars will allow scientists to tailor their search methods to specific locations. The past decade of rover and orbiter exploration has revealed numerous locations that would be ideal…
Moons of Saturn May Be Younger Than Dinosaurs
New research suggests that some of Saturn’s icy moons, as well as its famous rings, might be modern adornments. Their dramatic birth may have taken place a mere hundred million years ago, more recent than the reign of many dinosaurs. “Moons are always changing their orbits. That’s inevitable,” says Matija Cuk, principal investigator at the…