On Dec. 23, 1672, Italian astronomer Giovanni Cassini discovered Rhea, Saturn’s second-largest moon. Rhea is made up of rock ...

Titan is likely to remain in the spotlight for the foreseeable future. Its thick atmosphere and vast surface lakes of liquid ...

A new analysis of data from NASA’s Cassini spacecraft may upend Titan’s status as an ocean world. But it might still have ...

Data shows microscopic particles floating at distances 3 times the planet's radius, revealing a massive vertical scale to the ...

Saturn's giant moon Titan may not have a vast underground ocean after all. New research suggests Titan instead may hold deep layers of ice and slush more akin to Earth's polar seas instead of a buried ...

The spacecraft is set to plunge to its death in Saturn's atmosphere in April. — -- NASA's Cassini spacecraft is beginning a series of "ring grazing" orbits today to study Saturn's rings and moons ...

A small, icy moon of Saturn called Enceladus is one of the prime targets in the search for life elsewhere in the solar system ...

A fresh analysis of readings from Titan suggests the Saturnian moon doesn't have enough liquid water for an ocean, but maybe ...

For more than a decade, NASA's Cassini spacecraft traced Saturn's rings and moons, returning some of the most detailed ...

NASA's Cassini spacecraft zoomed by two Saturn moons this week to take what scientists say are the last close-up views of the geyser-covered Enceladus and cratered Dione for several years. Cassini ...

Photo cuts through haze to reveal some of the features on moon's surface. This composite image shows an infrared view of Saturn's moon Titan from NASA's Cassini spacecraft, acquired during the mission ...

A new NASA study of data from its old Cassini mission to Saturn suggests that giant moon Titan may not have a global ocean — ...