Scientists can say two things with certainty about Io. First, this moon of Jupiter is the most volcanic object in the known universe. Its surface is festooned with so many lava-spewing calderas that ...

Io, one of Jupiter’s Galilean satellites, is the most volcanically active body in the solar system. Images from spacecraft have shown molten lava erupting along walls that dam giant lava lakes and ...

The hellish surface of a moon of Jupiter known as Io is riddled with hundreds of lava-spewing volcanoes that make the world ...

doesn’t show on Jupiter’s moon Io. discuss Io, Europa and other members of the Jupiter system. Dr. John Spencer, of the Lowell Observatory, Flagstaff, Ariz., will describe some possible explanations ...

NASA has revealed animations of the surface of Jupiter's moon Io, made using brand-new data gathered from the far-off moon. Io, which is Jupiter's third-largest moon, features large mountains and a ...

Jupiter's super-volcanic moon boasts grand, meandering dunes created not by wind but by lava flows beneath the moon's surface, a new study shows. Io is Jupiter's third-largest moon and the innermost ...

Io is the closest thing we have to hell in our Solar System, a Jovian moon that features hundreds of active volcanoes and expansive lakes filled with lava. New observations suggests that the largest ...

Jupiter’s third-largest moon Io is covered by more than 400 active volcanoes, and it’s the most volcanically active world in our solar system. New radio images collected by an array of telescopes on ...

Sulfur dioxide was found on the backside of Europa thanks to Jupiter's magnetic field. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works.