Thiazzi: Discovered on December 12 ... As such, it has been dubbed the yin and yang of the Saturn moons. Iapetus, like Rhea, is thought to be composed of ice and rock. When Giovanni Cassini ...

Saturn’s moons have been the subject of a lot of astronomical attention over the years. They range in size from the ...

Saturn just solidified its title as ‘moon king’ with an updated tally of 274 satellites orbiting the gas giant. The ...

The discovery points to what astronomers have thought for decades, that Saturn's rings were caused by a massive collision about 100 million years ago.