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

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.

Jupiter’s northern lights are the most powerful in the solar system, but new observations from the James Webb Space Telescope (JWST) have revealed surprising details about how they work. Scientists ...