"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." The solar system's most volcanic body, the Jupiter moon ...

A new report suggests it was born this way. This image revealing the north polar region of the Jovian moon Io was taken on October 15, 2023, by the JunoCam imager aboard NASA's Juno spacecraft.

The study, published in Science, indicates that for most of — or possibly all — its 4.57 billion years of existence, Io has been an angry world. As Jupiter’s innermost large moon ...

Jupiter’s moon Io has possibly been erupting for a very, very, very long time. Io is the most volcanically active body in our solar system, with some of its volcanoes shooting magma higher than ...

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 ...

"For the very first time, we have a global view of Io's ongoing volcanic activity." The most volcanically active world in the solar system, Jupiter's moon Io, may possess a global ocean of magma ...

There are new, high-quality images of Jupiter's moon, Io, thanks to the nearest flyby of the celestial body by a spacecraft in decades. NASA released images Saturday taken by the Juno spacecraft ...

No moon in our solar system is likely as chaotic as Io, Jupiter’s third largest. The rocky body looks like a pepperoni pizza because of the constant, numerous eruptions on its surface.

We knew data from Juno’s two very close flybys could give us some insights on how this tortured moon actually worked.” Io orbits around Jupiter, the largest planet in our solar system ...