For decades. researchers have theorized that resting beneath Callisto's pockmarked surface is a liquid saltwater ocean that spans the entire moon. After taking a closer look at data from 30 years ...

It's unclear if the ocean could sustain because the surface is so old. Jupiter's moon Callisto has been the subject of several flybys, including the long-running Galileo mission at Jupiter in the ...

But evidence for Callisto's subsurface ocean has remained inconclusive, as the moon has an intense ionosphere. Scientists thought this electrically conductive upper part of the moon's atmosphere ...

New evidence from an old NASA mission supports the theory that Jupiter's moon Callisto is in fact an ocean world. Credit: NASA / JPL / DLR A moon of Jupiter about the size of Mercury likely has a ...

That a moon could form a new ocean well into its history ... and the moons Ganymede and Callisto, which show hints of oceans. And in the fall of 2024, NASA will send the Europa Clipper into ...

And its ocean is thought to be in contact with its rocky core, allowing a variety of complex chemistry to occur. Jupiter's second-largest moon Callisto, which is almost as big as Mercury and has ...

Io is dotted with active volcanoes, and Europa hides a subsurface ocean many want to check for alien life. Ganymede is the largest moon in the solar system, and Callisto is the system's most ...

The moon takes a little more ... for global oceans (on moons such as) Callisto, Dione and Triton.” “The existence of a recently formed liquid water ocean makes Mimas a prime candidate for ...

That a moon could form a new ocean well into its history ... and the moons Ganymede and Callisto, which show hints of oceans. And in the fall of 2024, NASA will send the Europa Clipper into ...