NASA's got a new mission on the horizon. Land an unmanned spacecraft on Titan, Saturn's largest moon. And explore the surface for evidence of potential alien life. The billion dollar mission will ...

SEE ALSO: These photos of a hexagon on Saturn are totally real Thanks to a new video released by NASA, you can relive the Huygens' descent to Titan's surface 12 years after it actually landed.

An curved arrow pointing right. Saturn's largest moon Titan is a curious place. It's the only world, besides Earth, that has liquid lakes on its surface. Here, NASA shows a time-lapse of clouds ...