Outer Solar System
The Giant Planets
Jupiter, Saturn and the ice giants — and the ocean moons they hide.
The giant planets are systems in miniature, each ruling dozens of moons. Several of those moons — Europa, Enceladus, Titan — hold liquid water or liquid methane beneath their shells, which is why the search for life beyond Earth increasingly points to the outer Solar System.
Articles on The Giant Planets
Discoveries
A Hidden Ocean World? New Clues from Europa
Fresh data hints at plumes venting from beneath Europa's icy shell.
The Great Ocean Hunt: Why NASA and ESA Are Racing to Jupiter’s Icy Moons
Mars gets all the headlines, but the best place to look for extraterrestrial life might actually be in the deep, dark oceans hidden beneath the frozen shells of Jupiter’s moons.
Missions to The Giant Planets
All missions →
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