Astronomers find 12 new moons orbiting Jupiter 00:33. NASA has detected water vapor for the very first time in the atmosphere of Ganymede — not only Jupiter's largest moon, but the largest moon ...

New data from NASA’s Juno spacecraft suggests that there are mineral salts and organic compounds on the surface of Jupiter’s giant moon Ganymede.

But this is the first clear-cut data of its kind to suggest that a sea lies hidden under the icy shell of Jupiter's moon Ganymede, which is 50% bigger than our own moon.

Recent evidence that Ganymede, the solar system's largest moon, may hide an ocean beneath its surface is less surprising than news of water on Mars. Two other Jovian moons, Europa and Callisto ...

First geologic map of Ganymede made with Voyager data Working out the history of Jupiter's icy moon from images of its surface. Scott K. Johnson – Feb 14, 2014 8:15 am | 26 ...

In a new statement, NASA revealed that data from the Galileo satellite, which flew around Jupiter from 1995 to 2003, is presently helping scientists get a fresh take on Ganymede's environment.

A screenshot of a NASA video that features an audio clip of Juno's Ganymede flyby. Electric and radio data from the Jovian moon's magnetosphere was collected by Juno's Waves instrument.

More data collected by Juno are expected to reveal new information about Ganymede's surface, composition, atmosphere layers, and magnetosphere. The new images of the moon are the first close-ups ...