Jupiter's moon Ganymede is believed to contain an ocean much deeper than oceans on Earth — about 100 kilometres thick and hidden beneath a 150-kilometre crust of mostly ice.

Discovered by Galileo in 1610 while he was messing about with his new telescope, Ganymede is not only the largest moon of the planet Jupiter, but the largest in the solar system.

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 solar system ...

Check out our best look at Ganymede, Jupiter's largest moon, in over 20 years Scott SutherlandMeteorologist, Science Writer Published on Jun. 16, 2021, 9:41 AM ...

The test validated JUICE's RIME radar, which will explore Europa, Ganymede, and Callisto for signs of life under their frozen ...

Jupiter's four Galilean moons will line up in front of Jupiter in the early morning sky on Aug. 8. The predawn hours of Aug. 8 present a perfect opportunity to see Jupiter's four largest moons line up ...

Ganymede joins a cadre of solar system moons where evidence of underground oceans has been discovered in recent years. The list includes Jupiter’s Europa moon and the Saturn moons Titan and ...

Juice spacecraft to pass over Earth in ‘world first’ fly-by The mission aims to investigate whether Jupiter’s three moons – Callisto, Europa and Ganymede – can support life in its oceans.

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 ...

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.