Researchers believe that Ganymede’s interior may be like a club sandwich, stacked with alternating layers of ice and ocean. Understanding how the impact altered the moon could reveal insights ...

An exhaustive examination of lunar gravity using data obtained by two NASA robotic spacecraft is offering new clues about why the two sides of the moon - the one perpetually facing Earth and the other ...

Besides reorienting the moon, Hirata suggests the impact would also have blasted away Ganymede’s surface layer and reshaped its interior. “Making sense of all those overlapping events on ...

Another possibility for layers of different types of life on a single world is Ganymede, Jupiter's moon. Some scientists think this moon has several different layers of ocean, separated by ...

Any life would likely be hidden away beneath a deep global ocean, plus a layer of surface ice that ... be directed to crash land on another moon, Ganymede. Like Europa, Ganymede is thought to ...

The James Webb Space Telescope has peered into the atmosphere of Saturn's largest moon Titan, capturing the first evidence of ...