Titan with Saturn's Rings (IMAGE) University of California - Los Angeles Caption Saturn's largest moon, Titan, behind the planet's rings and the much smaller moon Epimetheus. The image was taken by NASA's Cassini spacecraft. Credit NASA/JPL/Space Science Institute Usage Restrictions None License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.