Scientists have found new evidence that one of Saturn’s moons (Enceladus) has an ocean beneath its surface. That’s important because liquid water is a key ingredient for life. Details at http://www.nature.com/nature

Scientists have found new evidence that one of Saturn’s moons (Enceladus) has an ocean beneath its surface. That’s important because liquid water is a key ingredient for life. Details at http://www.nature.com/nature