Pair that with the increasing likelihood of a subsurface ocean, and though it's still far from a sure thing, that's enough evidence to justify taking a closer look at the Jupiter moon when the ...

another moon of Jupiter—may encase a salty, liquid water ocean. But evidence for Callisto's subsurface ocean has remained inconclusive, as the moon has an intense ionosphere. Scientists thought ...

The mission aims to investigate whether the moon, believed to have a subsurface ocean, could support life ... Europa Clipper will navigate through Jupiter’s intense radiation belt, one of ...