Following the Voyager encounters with Saturn's moon Enceladus in the early 1980s, scientists postulated that the moon may be geologically active based on its young, reflective surface and location near the core of the E ring.

UCL scientists are part of a team using NASA’s Cassini spacecraft, which is currently orbiting Saturn, that have found evidence of material orbiting Rhea, Saturn's second largest moon. This finding is the first time rings may have been found around a moon. Their results are reported in the journal ‘Science’.

Space probe Cassini performed a close flyby of Saturn's icy moon Enceladus on Wednesday. The fate of the $3.5 billion mission was in the balance as the bus-sized spacecraft swooped to just 50 km (30 mi) above the surface of Enceladus to sample the frozen spray issuing from geysers on the the moon's surface.

UK scientists and international colleagues using NASA's Cassini spacecraft which is currently orbiting Saturn have found evidence of material orbiting Rhea, Saturn's second largest moon. This finding is the first time rings may have been found around a moon. Their results are reported the 7 March issue of the journal Science.

Noted for its bizarre hydrocarbon lakes and frozen methane clouds, Saturn's largest moon, Titan, also appears to have widespread drizzles of methane, according to a team of astronomers at the University of California, Berkeley.

Scientists are on the trail of Iapetus' mysterious dark side, which seems to be home to a bizarre 'runaway' process that is transporting vaporised water ice from the dark areas to the white areas of the Saturnian moon.