Add Yahoo as a preferred source to see more of our stories on Google. NASA’s Juno spacecraft captured the most powerful volcanic eruption ever seen on Jupiter’s moon Io. (CREDIT: NASA / JPL / ...

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

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 ...

On March 8, 1979, NASA's Voyager 1 spacecraft discovered active volcanoes on Jupiter's moon Io. [‘On This Day in Space’ Video Series on Space.com] Before Voyager 1 flew by Io, scientists believed the ...

How big can volcanic eruptions get on Jupiter’s moon, Io? This is what a recent study published in the Journal of Geophysical Research: Planets hopes to address as an international team of scientists ...

Loki, named for the Norse god of mischief, is about to unleash an eruption on Jupiter’s moon Io, according to astronomers. Io is the most volcanically active body in our solar system, according to ...

Spread the loveOn March 14, 2026, astronomy enthusiasts across the United States are in for a treat as they can witness a ...

"You would see glowing lava flows all over the place, and maybe the odd volcanic eruption." When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works.

NASA has recorded the most powerful volcanic eruption outside of Earth on Io, one of Jupiter’s moons. On December 27, 2022, Juno, NASA’s spacecraft, witnessed numerous active volcanoes erupting ...