On Dec. 31, 2004, NASA’s Cassini spacecraft flew by Iapetus, Saturn’s third largest moon. Iapetus was discovered by the Italian astronomer Giovanni Cassini in 1671. NASA’s Cassini craft flew by the ...

Saturn’s moon Iapetus reaches greatest western elongation today, now located 9.5’ west of the ringed planet. Iapetus has two vastly different hemispheres, one light and one dark. As the moon orbits ...

Visible in the early-morning sky today, Saturn’s two-toned moon Iapetus reaches superior conjunction just 1.4′ due south of Saturn. The proximity makes the now-11th-magnitude moon easier to find, as ...

Images returned by NASA’s Cassini spacecraft cameras during a New Year’s Eve flyby of Saturn¿s moon Iapetus (eye-APP-eh-tuss) show startling surface features that are fueling heated scientific ...

Recent data from the Cassini mission to Saturn have shed new light on the surface of the saturnian moon Iapetus, particularly the presence and movement of carbon dioxide. University of Arizona ...

A crash involving the planet’s largest moon, Titan, and a hypothetical moon may have triggered a curious sequence of events ...

A massive upheaval in the Saturnian system could have also led to the moon Hyperion.

For centuries, people wondered how the leopard got its spots. The consensus is pretty solid that evolution played a major role. But it’s only been five years since the arrival of high-resolution ...

Saturn is the planet in our solar system with the most moons - 146 known natural satellites. However, not all of them are visible, and only seven can be spotted through a reliable telescope from Earth ...

Saturn, too tiny to make out, lies at the center of a swarm of 274 moons shown her at their correct relative distances from the planet. The blue and red arcs represent the moons' orbits. Some revolve ...

Add Yahoo as a preferred source to see more of our stories on Google. On Dec. 31, 2004, NASA’s Cassini spacecraft flew by Iapetus, Saturn’s third largest moon. Iapetus was discovered by the Italian ...