NASA has unveiled a breathtaking image of Io, one of Jupiter’s most volatile moons, captured by the Juno spacecraft during a close flyby on December 30, 2023. The detailed imagery provides an ...

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 ...

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 ...

This first-ever complete map of Jupiter's volcanic moon Io released on March 19, 2012, was created using data and images from NASA's Galileo spacecraft, (which studied Jupiter and its moons between ...

Jupiter’s volcanic moon has always felt like a place that tests your sense of what a world can be. Its surface glows with hundreds of active hot spots. Its mountains rise higher than Everest. Its lava ...