moons

(Newser) - Saturn’s second-largest moon, Rhea, could be the first known moon with rings. The spacecraft Cassini detected apparent evidence of rings when it spotted debris around Rhea as it flew by in 2005, reports space.com. The set of rings has not been directly seen, but scientists inferred that the...

(Newser) - Scientists have discovered Saturn’s 60th moon, and are hinting that more could exist. In May, cameras aboard the Cassini spacecraft captured the “extremely faint object,” which scientists have officially designated a moon and tentatively named Frank. Composed mostly of ice and rock, Frank is about a mile...