Ganymede

Saturn moon Titan's wonderfully wierd terrain and possibility of life make it so very Earth-like

Titan's visible exterior is 'one of the most geologically diverse' sights in the solar system.

NASA's Juno spacecraft captures ominous images of black spot on Jupiter's surface

Before you start sputtering about HAL 9000, monoliths and Europa, that's Io's shadow we're looking at.

Jupiter's moon Ganymede is 'whistling', surrounded by powerful plasma waves

The 'whistle' was over 1 million times as intense as other moons and planets in the vicinity.

10 new moons of Jupiter discovered, including one that is crashing into other moons

Jupiter’s 79 moons are the most of any planet in the solar system, followed by the 62 of Saturn.

Nasa to hold press conference on plans to search for alien life on oceans beyond Earth

These new discoveries will also help inform future ocean world exploration and the broader search for life beyond the Earth.

Ganymede, Jupiter's biggest moon, has an ocean underneath its surface: NASA

The ocean on Jupiter's Ganymede is estimated to be much deeper than the oceans on Earth — about 60 miles (100 kilometers) thick and buried under 95 miles (150 kilometers) of ice.