As part of Juno’s extended mission, the spacecraft is making close encounters of Jupiter’s large Galilean moons after having ...

The volcanic hot spot is larger than Lake Superior, spewing eruptions six times the total energy of all of the world's power plants.

While Io, the most volcanically active moon in the solar system, appears completely dry and devoid of water ice, its neighbor ...

NASA's Juno mission has detected the most powerful volcanic eruption ever on Jupiter's moon, Io, revealing an interconnected magma reservoir system beneath its surface.

Jupiter’s volcanic moon, Io, is exhibiting geothermal activity far beyond what scientists had anticipated, with heat levels that defy previous models. This extreme thermal activity is driven by the ...

Io, one of the four Galilean moons of Jupiter, as seen by the Galileo probe, circa 1997. (Photo by Space Frontiers/Hulton Archive/Getty Images) New data from NASA’s $1.2 billion Juno spacecraft — now ...

The moon spent a few million years as a volcanic wasteland, covered with ongoing eruptions that spewed from mountains and even from the ground itself. New research suggests that the moon's orbit could ...

Research into Jupiter’s moons shows Io and Europa did not evolve apart but formed with opposite compositions from the beginning.

The original version of this story appeared in Quanta Magazine. Scott Bolton’s first encounter with Io took place in the summer of 1980, right after he graduated from college and started a job at NASA ...

When you buy through links on our articles, Future and its syndication partners may earn a commission. Jupiter’s moon Io is the most volcanically active world in the solar system. This high-resolution ...

Scott Bolton’s first encounter with Io took place in the summer of 1980, right after he graduated from college and started a job at NASA. The Voyager 1 spacecraft had flown past this moon of Jupiter, ...

New data from the orbiter has unveiled some of the treacherous conditions of not only Jupiter, but its moon Io, the most volcanic body in the solar system. The findings, which come after Juno has ...