NASA - National Aeronautics and Space Administration

› Giant Propeller in A Ring

› Propeller Churns the A Ring

› Titan's Ethane Lake

› Lightning Flashing on Saturn

› First Lightning Flashes on Saturn

› Bizarre Temperatures on Mimas

› Mimas Three-Quarter Portrait

› Herschel Crater in 3-D

› Streaked Craters in False-Color

Cassini Sees Moon Building Snowballs in Saturn Ring

New images from Cassini show icy particles in Saturn's F ring clumping into giant snowballs as the moon Prometheus makes multiple swings by the ring.

Saturn Propellers Reflect Solar System Origins

Scientists using NASA's Cassini spacecraft at Saturn have stalked a new class of moons in the rings of Saturn that create distinctive propeller-shaped gaps in ring material.