Titan, Saturn's largest ... rings looking moody in black and white. Original image has been replaced. Credit: Mashable Cassini spacecraft has been exploring Saturn and its many moons on ...

With rivers, lakes and even seas made of liquid methane and ethane, plus a hidden underground ocean of water, Saturn's moon Titan has long fascinated scientists as a place where alien life might ...

Titan, Saturn's largest moon, is a strange, alien world. Covered in rivers and lakes of liquid methane, icy boulders and dunes of soot-like "sand," its topography has long fascinated scientists ...

Titan, the largest moon of Saturn, has the ingredients for life, but scientists aren't sure what the chances are that it's inhabited. Credit: NASA / JPL-Caltech / Space Science Institute Saturn ...

Scientists say there's a chance that a "small population" could be tucked away on Titan, the biggest of Saturn's moons. This image captured by Nasa's Cassini craft shows the dark side of Titan ...

This artist's concept of a lake at the north pole of Saturn's moon Titan illustrates raised rims and rampartlike features as seen by NASA's Cassini spacecraft. Titan, Saturn's largest moon ...