The Cassini spacecraft's found the strongest evidence yet that Saturn's moon Enceladus is concealing a large, underground saltwater ocean - raising hopes for the possibility of life on similar moons.
Liquid methane has been raining down on Titan, say NASA scientists, who have observed the equatorial weather on Saturn's largest moon for the first time.
The Cassini-Huygens mission has identified an oxygen-carbon dioxide atmosphere around Saturn's second-biggest moon, Rhea - the first time a spacecraft has captured an oxygen atmosphere from a world other than Earth.
In an example of life imitating art - if art's the right word - NASA has released images of Saturn's icy moon Mimas looking for all the world like Pac-Man eating a dot.
