The James Webb Space Telescope reveals active volcanoes on Io in unprecedented detail thanks to an innovative technique.

ESA's Mars Express orbiter captured footage of the Mars' moon Deimos pass in front of Ganymede, Europa, Jupiter, Io and Callisto (in that order). Credit: Space.com | footage credit: ESA/DLR/FU Berlin ...

A NASA spacecraft is set to swing past one of Jupiter’s moons Thursday, giving astronomers a close-up view of one of the most volcanic spots in the solar system. The Juno probe, which has been ...

On March 8, 1979, NASA's Voyager 1 spacecraft discovered active volcanoes on Jupiter's moon Io. [‘On This Day in Space’ Video ...

Loki Patera might sound like the name of a Norse god's heavy metal band, but it is actually a lake made of lava located on one of Jupiter's moons, Io. On Sunday NASA scientists released a new ...

The spacecraft came to within 930 miles of Io's surface—the closest any spacecraft has flown by the Jovian moon in over 20 years. Reading time 2 minutes The mutilated surface of Jupiter’s moon Io was ...

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 ...

Using the Webb telescope, scientists discovered an unexpectedly cold, dense region within Io’s auroral footprint in Jupiter’s northern lights.

A NASA spacecraft made its closest-ever approach to Jupiter's moon Io, coming within 930 miles of the "surface of the most volcanic world," and the space agency released new images of the flyby. The ...

The hellish surface of a moon of Jupiter known as Io is riddled with hundreds of lava-spewing volcanoes that make the world one of chaos and violence. The brutal conditions also make Io intriguing to ...

"Io represented a big mystery because its surface doesn't hold a record of its history the way that the surfaces of less active moons do." When you purchase through links on our site, we may earn an ...