Newslink: Saturn's Moon Titan May Have 'Phantom Lakes' and Caves

Picture a world where rain falls, gathers in lakes and ponds, seeps into the surrounding rock, and evaporates away, only to fall again. There's just one catch: The world is Saturn's moon, Titan, where the rain isn't water; it's liquid methane.

https://www.space.com/saturn-moon-titan-phantom-lakes-caves.html