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 ...

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 axis ...

NASA’s Juno probe has just delivered the closest images of Jupiter’s icy moon Ganymede that we have seen in decades, offering up some incredible glimpses of its surface. The rest of this article is ...

Breakthroughs, discoveries, and DIY tips sent every weekday. Terms of Service and Privacy Policy. NASA’s Juno spacecraft has been exploring Jupiter since it arrived ...

Forbes contributors publish independent expert analyses and insights. An award-winning reporter writing about stargazing and the night sky. This article is more than 4 years old. To present the best ...

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 ...

NASA’s Juno spacecraft has detected, for the first time, an FM radio signal coming from the moon Ganymede. And while it’s certainly not aliens producing the signal, the finding still helps to fill out ...

Jupiter is an extraordinary planet with qualities that almost defy comprehension. At more than 300 times the mass of Earth, Jupiter is easily the largest planet in the solar system—a giant ball of ...

Forbes contributors publish independent expert analyses and insights. An award-winning reporter writing about stargazing and the night sky. This image of Ganymede was obtained by the JunoCam imager ...

“So I know you’re supposed to be anonymous, but you’re the only food critic in the outpost. I read your blog every week.” “It’s that we keep seeing Ganymede as an object we’re studying and not as a ...