For years there has been talk of a subsurface ocean present within Saturn’s icy moon Enceladus.  Many have simply assumed it to be fact, but the reality is, something so complex on a world so far away is very difficult to prove conclusively.  But now, using data from over a decade of observations by the Cassini spacecraft, mission scientists have shown conclusively that Enceladus must have a global ocean beneath a surface of ice. Previous data analysis suggested that there was a lens-shaped liquid ocean beneath the south polar region of the planet, giving a source for the observed plumes...