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 ...

NASA's Juno mission has made its 51st close flyby of Jupiter, catching stunning images of its moon Io, in the process. Juno flew past Io on Tuesday, May 16, on a flyby that brought it closer to the ...

Looking for a sky event this week? Check out our full Sky This Week column. December 5: Mercury improving This evening brings ...

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 ...

Freelance writer Amanda C. Kooser covers gadgets and tech news with a twist for CNET. When not wallowing in weird gear and iPad apps for cats, she can be found tinkering with her 1956 DeSoto. Jupiter ...

Jupiter's volcanic moon Io doesn't appear to have a subsurface ocean of magma, resolving some issues about how Io's volcanoes erupt and raising broader questions about similar magma oceans within ...

The images Juno captured of the scene are absolutely amazing. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. NASA's Juno spacecraft has now paid ...

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 ...

A study utilizing ALMA observations of Io's atmosphere reveals a significant depletion of lighter sulfur isotopes, suggesting extensive and prolonged volcanic activity throughout its 4.57 billion-year ...

Jupiter’s third-largest moon Io is covered by more than 400 active volcanoes, and it’s the most volcanically active world in our solar system. New radio images collected by an array of telescopes on ...

The last time a spacecraft got this close to Jupiter's moon Io was more than 20 years ago, a blink of an eye on a typical geological timescale. Most planetary bodies in our Solar System wouldn't ...