Stunning new images of the moon have been beamed back to Earth from ... which will investigate whether the gas giant’s three moons – Callisto, Europa and Ganymede – can support life in ...

More pocked with craters than any other object in our solar system, Jupiter's outermost and second-biggest Galilean moon, Callisto, appears geologically unremarkable. In the 1990s, however ...

Callisto is also thought to have liquid water, too. The small, rocky body is constantly being stretched and compressed by Jupiter’s huge gravitational force, keeping the moon ‘malleable ...