A map of Io’s surface, created with images from the Voyager 1 and Galileo missions, shows the wide distribution of the moon’s volcanoes. The large red ring is sulfurous fallout from the plume ...

Discovered by Galileo in 1610, Io has since become one of the most fascinating objects in planetary science. Orbiting just 350,000 km above Jupiter, Io experiences gravitational forces 300% ...

Jupiter’s moon Io, the most volcanically active body in the solar system, is littered with hundreds of erupting volcanoes. High-resolution images now reveal several dozen lava lakes, researchers ...

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The team turned to data from two close flybys of Io from NASA’s Juno spacecraft from December 2023 and February 2024. As the spacecraft approached within 930 miles of the moon, scientists used ...

Io, Jupiter's moon, continues to reveal itself. The latest images transmitted by the Juno spacecraft offer an unprecedented view of its tumultuous surface. The Juno mission made a surprising discovery ...

New infrared images showcase "fire-breathing" lakes all across the surface of Jupiter's volcanic moon Io. When you purchase through links on our site, we may earn an affiliate commission. Here’s ...

In May and October of 2023, Juno performed close flybys of Io, coming within 21,700 miles and 8,100 miles of the moon's surface. JIRAM, which captures infrared light that is invisible to the human ...

A team of astronomy professors and scientists capture rare, high-resolution optical images of Jupiter’s moon ‘Io’ using a ground-based telescope and new camera technology.

The volcanic world Io has been a hot topic lately. Earlier this year, NASA’s Juno mission swooped close to the moon and snagged close-up views of some of its volcanic activity.

Jupiter's moon Io is a volcanic hellscape—and has been since the solar system began. Io is the most volcanic body known to science, and researchers have puzzled over its history for years.

This image of Jupiter’s moon Europa was captured by the JunoCam instrument aboard NASA’s Juno spacecraft during the mission’s close flyby on September 29, 2022.