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 ...

The event will benefit GLAAD. “Ganymede” follows a high school wrestler, Lee Fletcher IV (Jordan Doww), who develops a crush on his openly gay classmate Kyle (Pablo Castelblanco).

At nearly 3,300 miles in diameter, Ganymede is also the solar system’s largest moon—bigger even than the 3,030-mile wide planet Mercury. But that doesn’t mean it’s impervious to a pounding.

An asteroid 20 times larger than the one that may have wiped out the dinosaurs struck Jupiter's moon Ganymede some 4 billion years ago, dramatically shifting the possibly life-hosting satellite's ...

Even more curious, the site is immediately south of what is called the tidal axis. Like our Moon, Ganymede is locked by the tidal forces of Jupiter so one side always faces the planet. The impact ...