Jupiter's Moons | Astronomy.com

Io’s magma ocean may not exist after all

Watch Jupiter’s moons in action this month

An illustration of NASA's Europa Clipper spacecraft above the surface of Europa and in front of Jupiter

Robotic Spaceflight, Solar System, Space Exploration

NASA’s Europa Clipper sets sail for Jupiter

Scientists view Ganymede’s aurorae dancing during eclipse

Map of Io's hot spots

Science, Solar System

First-of-its-kind map of Io’s volcanoes hints at subsurface magma ocean

Jupiter's moon Io

Jupiter’s moon Io has likely been active for our solar system’s entire history

Alien Life, Solar System

NASA’s Juno spacecraft probes Europa’s oxygen levels