Callisto is actually one of the largest moons in our solar system. In this video, we explore the high-resolution images and surprising data that have brought this forgotten moon back into ...

Ganymede is the largest moon in the solar system, and Callisto is the system's most heavily cratered object. Callisto is also home to an emerging mystery: The moon's thick atmosphere holds a ...

If there was a contest for the most interesting moon in our solar system, Callisto would be a contender. Jupiter's second-largest moon has more impact craters on its surface than any other ...

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 ...

Credit: Corey J. Cochrane, NASA/JPL-Caltech More pocked with craters than any other object in our solar system, Jupiter's outermost and second-biggest Galilean moon, Callisto, appears geologically ...

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 ...

Instead of alerting when packages have been delivered or turning lights on and off, Callisto is designed to one day provide real-time data ... astronauts around the moon on Artemis 2 in 2026 ...

Tonight, though, Callisto just grazes Jupiter’s northern limb from about 9 P.M. to 9:30 P.M. CDT as it passes from west to east. The moon is most directly north of the planet’s pole at about 9 ...