NASA's Juno spacecraft has been investigating Jupiter's moon Io, the most volcanically active body in the solar system, and ...

Using data collected by NASA's Juno spacecraft as it flew past Jupiter's highly volcanic moon Io in late 2023 and again in ...

On a recent flyby, Juno got within 80,000 km of the so-called “pizza moon,” and a future pass will get as close as 1,500 ... from the Sun, Io can be very cold, at up to -130 °C in places.