In the vastness of our Solar System, each celestial body has a story to tell,but few are as dramatic and captivating as Io, Jupiter’s volcanic moon. Unlike the frozen deserts of Mars or the thick ...

While our moon is relatively calm, Io is considered to be the most ... Juno will use a more-distant flyby of Io on March 3 to look at the hot spot again and search for changes in the landscape.

The dense moon is the fourth largest satellite within the solar system, and unlike most of Jupiter and Saturn’s moons, Io is covered in a hellish landscape of more than 400 active volcanoes.

This week, NASA shared new images taken by the Juno spacecraft during its flyby of Jupiter’s moon Io on October 15. The images reveal an ominous view of the most volcanically active world in the ...

Jupiter’s third-largest moon Io is the most volcanically active world in our solar system. New radio images by the ALMA telescope array show the direct effect of this volcanic activity on the ...

Jupiter's moon Io is the most volcanic world astronomers know of, ... More than 100 active volcanoes dot Io’s landscape, and at least a half-dozen are always erupting.

Because Io is so close to its massive host planet, the moon is subjected to a tremendous gravitational pull as it orbits Jupiter once about every 42 hours, according to the Planetary Society.

Jupiter’s third-largest moon Io is the most volcanically active world in our solar system. New radio images by the ALMA telescope array show the direct effect of this volcanic activity on the ...