Io, one of the most fascinating moons in our solar system, continues to mystify scientists with its intense volcanic activity ...

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 ...

The volcanic world of Jupiter's moon Io can be seen in extraordinary detail in new images beamed from NASA’s Juno orbiter after its most recent flyby. “With our pair of close flybys in ...

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 ...

"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 ...

On Saturday, NASA’s Juno spacecraft made a second close flyby of Jupiter’s moon Io, at a distance of about 930 miles.Credit...NASA Supported by By Katrina Miller On Saturday, NASA’s Juno ...

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 ...

A team of SETI astronomers have proved it's possible to see volcanic eruptions on Io — a moon of Jupiter — from our perch on Earth hundreds of millions of miles away. Based on 44 nights of ...

A team of SETI astronomers have proved it's possible to see volcanic eruptions on Io -- a moon of Jupiter -- from our perch on Earth hundreds of millions of miles away. Based on 44 nights of ...

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.