What’s going on at the bottom of Enceladus’s oceans?

Along with Mars, Saturn’s moon, Titan, and Jupiter’s moon, Europa, another of Saturn’s moons, Enceladus, has long topped the list of locations to search for possible extraterrestrial life. The last probe to study it, Cassini, gave up the ghost in a fiery descent through Saturn’s atmosphere, but new discoveries are still being made in the data it transmitted back to Earth, as an article in Geophysical Research Lettersshows.

Dr. Christopher Glein, the main author of the study, explained: “We...