Add Yahoo as a preferred source to see more of our stories on Google. On Dec. 23, 1672, Italian astronomer Giovanni Cassini discovered Rhea, Saturn’s second-largest moon. Rhea is made up of rock and ...

The atmospheric carbon dioxide was thought to be the result of the oxidation of oxygen molecules in the exosphere. As a consequence of this discovery, Rhea became the first Saturnian moon, and only ...

Saturn’s moon Iapetus reaches western elongation today, when it is at its brightest. Now around 10th magnitude, you can find Iapetus some 10’ west of Saturn. The ringed planet is already above the ...

NASA's workhorse Saturn orbiter Cassini has just beamed back stunning new views of the ringed planet's dazzling moons, including the probe's closest-ever pass over the ice geysers of Enceladus. The ...

Nov. 7 (UPI) --Saturn's Enceladus moon might be capable of supporting life, according to data collected by NASA's Cassini mission and compiled in a new study in the Science Advances journal. The moon ...

Saturn’s moon Iapetus reaches inferior conjunction tonight, sitting 1.3′ due north of Saturn and glowing at roughly 11th magnitude. This oft-elusive moon is easier to find when it is close to its ...