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 .

Jupiter, the largest planet in our solar system, is home to a fascinating array of moons. Among its 90-plus satellites, one stands out for its extraordinary geological activity: Io. As the BBC's ...

What can a sample return mission from Jupiter's volcanic moon, Io, teach scientists about planetary and satellite (moon) formation and evolution? This is what a recent study presented at the 56th ...

Io is the most volcanic body known to science, and researchers have puzzled over its history for years. A new report suggests it was born this way. This image revealing the north polar region of ...

which has been circling Jupiter in a highly elliptical, or stretched, orbit since 2016. Juno passes by Io once every few months and fixes its gaze on the volcanic satellite so scientists can learn ...

When you buy through links on our articles, Future and its syndication partners may earn a commission. Credit: (left) NASA/JPL-Caltech/SwRI/MSSS Image processing by Emma Wälimäki; (inset) NASA ...

On March 9, 1979, Linda Morabito discovered a volcanic plume on Io, a moon of Jupiter, in one of the photos from Voyager 1. She wrote, “I could feel tears begin to roll down my face at the sight ...

NASA's Juno deep space probe made the closest flyby of Jupiter's moon Io in over two decades. The robotic spacecraft passed within 930 miles (1,500 km) of the volcanic satellite, returning closeup ...

NASA’s Juno mission captured Jupiter’s moon Io on December 30 during its closest flyby. Image: NASA/Image processed by Kevin M. Gill The mutilated surface of Jupiter’s moon Io was revealed ...

NASA’s Juno spacecraft has captured a beautiful but terrifying infrared photo of Io, one of Jupiter’s moons ... will focus heavily on the Jovian satellite for the next several months.

Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. Close flybys of Io ...