The great Age of Exploration may be over on Earth, but it’s just getting going on Titan, Saturn’s largest moon. It’s a world larger than even the planet Mercury. NASA’s Cassini spacecraft surveyed the moon (along with Saturn and its other moons) for 13 years, and even deployed a lander, Huygens, to Titan’s surface. But although Cassini’s mission ended in 2017, its data lives on, and planetary scientists continue to learn more about the history and surface features of this strangely Earth-lik