A fresh analysis of tidal perturbations on Titan challenges a long-held hypothesis: that the cloud-shrouded Saturnian moon harbors an ocean of liquid water beneath its surface ice. But the scientists ...

For more than a decade, NASA’s Cassini spacecraft traced Saturn’s rings and moons, returning some of the most detailed planetary data ever collected. Titan, Saturn’s largest moon, drew special focus.

Add Yahoo as a preferred source to see more of our stories on Google. A fresh look at Cassini data shows Titan’s interior dissipates far more energy than expected, pointing to slushy high-pressure ice ...