If there was a contest for the most interesting moon in our solar system, Callisto would be a contender. Jupiter's ...

Astronomers have uncovered new evidence that Jupiter’s moon Callisto likely harbors a massive underground ocean, potentially ...

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 ...

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 ...

Europa, one of Jupiter’s intriguing moons, is hiding an ocean beneath its icy shell — an ocean that might harbor alien life.

Io’s long-debated magma ocean may not exist. Juno spacecraft data reveals that tidal forces deform the moon differently than ...

Europa is the sixth largest satellite in our Solar System and the smallest of Jupiter’s four Galilean moons. Discovered by ...

Liftoff! NASA's Europa Clipper Sails Toward Ocean Moon of Jupiter Oct. 14, 2024 — NASA's Europa Clipper has embarked on its long voyage to Jupiter, where it will investigate Europa, a moon with ...

NASA’s Europa Clipper is using Mars and Earth’s gravity to travel efficiently to Jupiter. The spacecraft will study Europa’s ...

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 ...