Europa is now far to the planet's west, with Callisto on the same side ... The February Full Moon is also called the Snow Moon, likely because this month is typically when North America sees ...

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 ...

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 ...