Pluto’s moon Charon might have lost an ocean. And Europa’s and Ganymede’s oceans are pretty old. That a moon could form a new ocean well into its history, and that we could watch?

Ganymede is the only moon with its own magnetic field. Scientists also think there’s a huge ocean buried underground, possibly holding more water than all of Earth’s oceans combined.

Jupiter's moon, Ganymede, captured by the Juno probe just ... it offers a view of Ganymede's "icy shell and the composition of the ocean of liquid water beneath." Mashable Light Speed Want more ...

Towards the end of the mission, the JUICE probe dedicates its experiments in detail to the largest moon in our Solar System, Ganymede. The focus is on a suspected ocean under a kilometre-thick ice ...

Jupiter’s Moon Ganymede: This image presents Jupiter's moon Ganymede as seen by the NASA's Hubble Space Telescope in 1996. In 1998, Hubble's Space Telescope Imaging Spectrograph took the first ...

The first time you may have heard the term ‘dwarf planet’ was when Pluto got demoted to one in 2006 (RIP). However, we actually have six in our Solar System. Pluto, Ceres, Makemake, Haumea, and Eris ...

and Ganymede, Jupiter’s largest moon, appears to have an internal ocean that potentially contains more water than all of Earth’s oceans combined. Aliens, we’re coming for you. Get your game on!

How can we explore Saturn's moon, Enceladus, to include its surface and subsurface ocean, with the goal of ... Europa and Ganymede, with both presenting evidence of subsurface oceans circulating ...