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

More pocked with craters than any other object in our solar system, Jupiter's outermost and second-biggest Galilean moon, ...

Dust off your old telescope on a clear night and look up. If you find Jupiter, you’ll likely see four small dots to the side of the gas giant: they are the Galilean moons, four of the 95 natural ...

Callisto, one of Jupiter’s largest moons, looks like a boring, crater-filled world. It doesn’t seem to have much going on ...

Curtin University researchers have discovered the world's oldest known meteorite impact crater, which could significantly ...

NASA’s Galileo spacecraft, which was designed to study the large, gaseous planet Jupiter and its moons, first caught hints of ...

So our moon has ‘lumps’ and ‘bumps’, then - in planetary order from the sun - Mercury has ‘ridges’ and ‘craters’, Venus ... and ‘rust’, Jupiter has ‘spinning moons ...

A vast impact crater near the moon’s south pole was formed by an asteroid moving at more than a kilometre a second, releasing energy when it struck equivalent to 130 times that of all the ...