Though Ganymede’s ordeal struck me as nothing short of horrific, a crasser part of me jumped at the opportunity: a gritty retelling, I thought, practically wrote itself. But to pen the definitive ...

A colossal asteroid, estimated to be 20 times larger than the one that led to the extinction of the dinosaurs on Earth, has left a permanent mark on Jupiter’s largest moon, Ganymede. This ...

Scientists hope this mission will answer lingering questions about Ganymede’s past—and maybe even reveal if life could exist ...

The spacecraft is currently on its way to orbit Jupiter and investigate the planet's three ocean-bearing icy moons—Ganymede ... for extraterrestrial life. The spacecraft will also explore ...

NASA announced that it has evidence that Jupiter’s moon Ganymede, the largest moon in our solar system, has a vast ocean lurking underneath its icy crust. WSJ's Monika Auger reports. Photo ...

To seek out signs of life on Ganymede, as well as Callisto and Europa, ESA plans to dress up the JUICE spacecraft with a total of "10 state-of-the-art instruments," including: Cameras that can ...