Ligeia Mare, shown here in a false-color image from NASA's Cassini mission, is the second largest known body of liquid on Saturn's moon Titan. It is filled with liquid hydrocarbons, such as ethane ...

Summer is slowly coming to Saturn's northern hemisphere. The north pole, which was in the midst of a seven-year-long winter when Cassini arrived in 2004, is now seen basking in the sunlight of ...

On its fourth and final targeted flyby of Rhea, the Cassini spacecraft provided this stunning view of the ancient and heavily cratered surface. Billions of years of impacts have sculpted Rhea's ...