On March 8, 1979, NASA's Voyager 1 spacecraft discovered active volcanoes on Jupiter's moon Io. [‘On This Day in Space’ Video ...

While Jupiter's main aurora has a great deal of hot materials, a snapshot showed a cold spot in Io's auroral footprint.

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

Add Yahoo as a preferred source to see more of our stories on Google. When you buy through links on our articles, Future and its syndication partners may earn a commission. Jupiter’s moon Io is the ...

A celestial conjunction event featuring Venus and Spica is anticipated for November 3. Jupiter is expected to display a multi-phase transit phenomenon involving Io and its shadow, along with Europa's ...

A new analysis of data from NASA’s Galileo spacecraft reveals a subsurface “ocean” of magma–either molten or partially molten–beneath the surface of Jupiter’s volcanic moon Io. The finding, from a ...

An international team of scientists, led by a Ph.D. researcher from Northumbria University, has made further discoveries about a spectacular feature of Jupiter's northern lights, revealing a ...

NASA has recorded the most powerful volcanic eruption outside of Earth on Io, one of Jupiter’s moons. On December 27, 2022, Juno, NASA’s spacecraft, witnessed numerous active volcanoes erupting ...

Io transits Jupiter, showing us how quickly our view can change — now that we are a few days past opposition, the moon and its shadow won’t quite overlap, but instead Io’s shadow will now trail it ...