With a diameter of 3,273 miles/5,268 kilometers, Ganymede is the largest moon and the ninth-largest object in the solar system, bigger than the planet Mercury and dwarf planet Pluto.

Two icy moons of Jupiter, though neighboring and of similar size, exhibit radically different internal structures. A new study suggests this dichotomy stems from their very formation, ...

Diagram of the ancient Ganymede impact sending the moon tilting. Kobe University. 3 / 4. Image showing the fractures caused by the impact and the impact site (red cross) Kobe University. 4 / 4.

Ganymede, the largest moon in the solar system, is even bigger than Mercury and the dwarf planet Pluto.And past research has found evidence suggesting that beneath its thick, icy crust lies a ...

Instead, it will send the spacecraft on a 3.1-billion-mile interplanetary bank shot carrying it once past the Earth and moon in August 2024, once past Venus in August 2025 and then twice more by ...

Ganymede is the largest moon in the solar system, and it’s slightly bigger than the planet Mercury. Even so, the monstrous asteroid that slammed into it would have rejiggered that world inside ...

A colossal asteroid slammed into Jupiter's largest moon Ganymede with so much power it dramatically and permanently reoriented the moon roughly 4 billion years ago, new research suggests.

Ganymede, which is 50% larger than our own moon, has an ocean beneath its icy surface – up to 60 miles deep – and is suspected of being able to support primitive life.

ESA's Mars Express orbiter captured footage of the Mars' moon Deimos pass in front of Ganymede, Europa, Jupiter, Io and ...

Ganymede likely has some special characteristics. It isn’t just Jupiter’s biggest moon, but the biggest in the entire solar system by far—about the size of Mercury and our moon combined.It ...

By Ashley Strickland, CNN (CNN) — Jupiter’s moon Ganymede may have shifted on its axis when a massive asteroid smashed into it about 4 billion years ago, according to a new study. Ganymede ...

(CNN) — Jupiter’s moon Ganymede may have shifted on its axis when a massive asteroid smashed into it about 4 billion years ago, according to a new study. Ganymede, the largest moon in the ...