Ganymede’s auroras have always stood apart for one simple reason: this is a moon, not a planet, and yet it carries its own ...

This image of the Jovian moon Ganymede was obtained by the JunoCam imager aboard NASA’s Juno spacecraft during its June 7, 2021, flyby of the icy moon. At the time of closest approach, Juno was within ...

Jupiter is the object you’ll want to be watching this evening, as Ganymede prepares to transit along with its shadow. About an hour before that event starts, Ganymede and Europa line up as the two ...

Scientists have a new map -- the best created so far -- of the largest moon in our solar system, Ganymede, and it is both beautiful and revealing. Ganymede is technically a satellite of Jupiter, but ...

Astronomers have found the most conclusive evidence yet that a large watery ocean lies beneath the surface of Jupiter’s moon Ganymede. With the discovery, Ganymede joins Enceladus and Europa as ...

A study conducted by researchers from the Institut de Physique du Globe de Paris (IPGP) and the CNRS shows that the ...

A new study suggests Ganymede—our neighborhood's biggest moon—still has a hot, churning core cranking out its unique magnetic field. Reading time 3 minutes Jupiter, the biggest planet in our solar ...

Forbes contributors publish independent expert analyses and insights. An award-winning reporter writing about stargazing and the night sky. This article is more than 5 years old. To present the best ...

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.

Ganymede transits the face of Jupiter this morning, trailed by its large shadow. The event starts just before 4 A.M. EST, as Jupiter is slowly setting in the west for much of the U.S. (The planet is ...