Saturn's largest moon, Titan, is the only place other than Earth ... and helps researchers understand Titan's carbon cycle, liquid methane-based "hydrological cycle," and changing climate.

(Unlike Earth, however, where most surface liquid is water, Titan is so frigid - about –290 degrees F [–179 degrees Celsius] ...

Cassini sent back views of Titan's lakes of liquid methane and ethane, as well as sand dunes, dotting the moon's surface. However, the orbiter won't have many more chances to capture photos of Titan.

Uncovering lakes of liquid methane and possible ice volcanoes ... Land an unmanned spacecraft on Titan, Saturn's largest moon. And explore the surface for evidence of potential alien life.

Dragonfly will make the 759,000-mile eight-year journey to Titan, Saturn's largest moon. Rivers, lakes, and seas across its surface are filled with not water, but liquid methane and ethane.

The chemistry of life as we know it wouldn't work in a place like the huge Saturn moon Titan, where it's ... Candidates ranged from the liquid forms of methane and ethane, ammonia and carbon ...