Cassini continues making loop-de-loops around Saturn, returning tens of thousands of way cool pictures. Like this one: From 1.3 million kilometers (800,000 miles) away – 3 times as far as the Moon is ...

Cassini has sighted Prometheus and Pandora, the two F-ring-shepherding moons whose unpredictable orbits both fascinate scientists and wreak havoc on the F ring. Prometheus (102 kilometers, or 63 miles ...

Since 2005, Scottish publisher Canongate has undertaken an ambitious project: to have some of the world's most interesting writers retell a myth. "The Fire Gospel," by Michel Faber ("The Crimson Petal ...

A pair of moons, Pandora and Prometheus, continue their shepherding duties near Saturn’s thin F ring. Pandora (81 kilometers, or 50 miles across) orbits outside the F ring and, with the inner shepherd ...

Two of Saturn’s moon’s Prometheus (102 kilometers, or 63 miles across) and Pandora (84 kilometers, or 52 miles across), are seen here shepherding the planet’s narrow F-ring. Prometheus overtakes ...