Observations from the James Webb Space Telescope show how Jupiter reacts to its moons through auroral footprints, plasma interactions, and rapid electron flows detected in infrared measurements.

Using the Webb telescope, scientists discovered an unexpectedly cold, dense region within Io’s auroral footprint in Jupiter’s northern lights.

Ganymede, Jupiter’s largest moon, produces auroras like Earth’s. New data from Juno reveals surprising details about its magnetic field.