Science ❯ Geology ❯ Planetary Geology

Icy Moons

Europa Europa's Surface Features Subsurface Oceans Europa's Ice Shell Europa's Surface Saturn's Moons Enceladus Titan Enceladus Geology Europa's Subsurface Ocean Jupiter's Moons Europa's Internal Structure Europa's Icy Shell Geological Activity Europa and Enceladus Enceladus's Ocean Hydrothermal Activity Cryovolcanism

Titan May Lack a Global Ocean, Cassini Reanalysis Points to a Slushy Interior With Isolated Water Pockets

A measured 15-hour delay in Titan’s tidal response indicates a highly viscous interior inconsistent with a free‑flowing ocean.

Study Finds Enceladus’ Heat Loss Matches Tidal Input, Indicating a Long-Lived Ocean

Fresh Enceladus Plume Grains Reveal Ocean-Derived Complex Organics

Lab Simulations Show Trapped Vapor Cracks Ice to Propel Cryovolcanism on Europa and Enceladus

NASA Launches Three-Year Deep-Sea Microbe Study to Inform Europa Life Search