Jupiter

(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...

(Newser) - Astronomers located the first planet beyond our solar system that hosts water—a giant gas ball bigger than Jupiter and named HD 189733b. Its sizzling climate, which can reach upwards of 3,600 degrees, renders it uninhabitable to any extraterrestrials, but the discovery shows that water is more common in...