Rhea is roughly the same size as Iapetus and has an icy surface, but it’s not out-of-round. Its topography is less rugged and its craters are not as deep. So, on this icy moon, icefalls do not ...

On October 25, 1671, the Italian astronomer Giovanni Cassini discovered a new moon at Saturn! ‘On This Day in Space’ Video ...

Saturn's other moons are smaller, with diameters of less than 1600 kilometres. Some of these, such as Pan, Atlas, Prometheus and Pandora, are known as 'shepherd moons', which means that they keep the ...

Currently, 146 moons and moonlets ... a chronology of impacts for Saturn's most heavily cratered regular satellites—Mimas, Enceladus, Tethys, Dione, and Rhea. This established age limits of ...

The two moons that are believed to have collided would likely have been similar to the size of Rhea and Dione, two of Saturn’s 145 moons. The researchers say that debris that didn’t become ...

The Dutch astronomer Christiaan Huygens had discovered Titan, the largest of Saturn's moons, about six years earlier. After Cassini found Iapetus, he also found the moons Rhea, Tethys and Dione.

Scientists have discovered that the icy shell of Saturn's largest moon, Titan, could possess an insulated, six-mile-thick (9.7-kilometer-thick) layer of methane ice beneath its surface.

Planetary scientists don’t care about Mimas, Saturn’s smallest moon. Sure, its massive Herschel crater might make it look like the “Death Star” space station from Star Wars, but it’s ...

When you buy through links on our articles, Future and its syndication partners may earn a commission. Scientists have discovered that the icy shell of Saturn's largest moon, Titan, could possess an ...