The change is subtle and happens over many nights.
Never-before-seen temperature and ion density measurements reveal that the effect of Jupiter's moons on its aurora are more complicated than scientists thought.
Ganymede's auroras splinter into small, bright patches — structures that mirror features seen in Earth's own auroral displays ...
On March 8, 1979, NASA's Voyager 1 spacecraft discovered active volcanoes on Jupiter's moon Io. [‘On This Day in Space’ Video ...
Jupiter’s icy moons may have been seeded with the chemical ingredients for life from the very beginning. An international ...