Ganymede, which is 50% larger than our own moon, has an ocean beneath its icy surface – up to 60 miles deep – and is suspected of being able to support primitive life. Start the day smarter.

Space crash: New research suggests huge asteroid shifted Jupiter's moon Ganymede on its axis An asteroid 20 times larger than the one that struck Earth and led to the extinction of the dinosaurs ...

A new study revealed that a massive asteroid may have hit Jupiter’s moon Ganymede about 4 billion years ago, shifting the moon on its axis.

Ganymede is the largest moon in the solar system, and it’s slightly bigger than the planet Mercury. Even so, the monstrous asteroid that slammed into it would have rejiggered that world inside ...

Discovered by Galileo in 1610 while he was messing about with his new telescope, Ganymede is not only the largest moon of the planet Jupiter, but the largest in the solar system. In fact, it's ...

Ganymede likely has some special characteristics. It isn’t just Jupiter’s biggest moon, but the biggest in the entire solar system by far—about the size of Mercury and our moon combined.It ...

Ganymede, Europa, and Io share a 1:2:4 resonance in their orbital periods, so similar events repeat. ... Rising Moon: X marks the spot.

Of course, there’s still a lot we don’t know about planets like Jupiter and its moon, Ganymede. In fact, the closest we’ve come to the Ganymede itself is 645 miles.

The solar system's largest moon, Ganymede, which orbits the largest planet, Jupiter, was hit by an asteroid four billion years ago that shifted the gas giant's satellite on its axis, new research ...