Left to right: The mosaic and geologic maps of Jupiter’s moon Ganymede were assembled incorporating the best available imagery from NASA’s Voyager 1 and 2 spacecraft and NASA’s Galileo spacecraft.

Orbiting Jupiter, NASA's Juno spacecraft streaked past Ganymede on Monday, beaming back the first close-up views of the largest moon in the solar system since the Galileo orbiter last flew past in ...

Alfredo has a PhD in Astrophysics and a Master's in Quantum Fields and Fundamental Forces from Imperial College London.View full profile Alfredo has a PhD in Astrophysics and a Master's in Quantum ...

Jupter’s frozen moon Europa and a couple of Saturn’s satellites have gotten lots of love from space probes dispatched by curious Earthlings. Now it’s Ganymede’s turn. Ganymede is Jupiter’s largest ...

You'd think moons would be quiet compared to their host planets, but that's not entirely true — if you know how to listen. The principal investigator for NASA's Juno mission, Scott Bolton, has ...

The largest moon in our solar system got its first close-up in more than 20 years on Monday. NASA’s Juno mission took the images as it swung within 645 miles (1,038 kilometers) of Ganymede’s surface ...

Mine is, naturally, a bed of godly proportions. This is despite the fact that I have not grown a millimeter since I was a fleshy thing of sixteen. My left foot, caught in a silk whirlpool. Oil stains, ...