NASA has recorded the most powerful volcanic eruption outside of Earth on Io, one of Jupiter’s moons. On December 27, 2022, ...

A moon can sit next door to another and still feel like a different world. Around Jupiter, that contrast shows up fast.

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 ...

NASA's Juno spacecraft recently whizzed past the moon Io. Every night's a marvelous time for a moon dance at Jupiter. Jupiter's moon Io displays a volcanic surface including large, dark patches of ...

Looking for a sky event this week? Check out our full Sky This Week column. February 10: The Moon approaches Antares ...

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 ...

When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. Breaking space news, the latest updates on rocket launches, skywatching events and more! You are ...

Forbes contributors publish independent expert analyses and insights. An award-winning reporter writing about stargazing and the night sky. Io, the innermost giant moon of Jupiter, may not have a ...

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 ...

image: As the Cassini spacecraft gets closer to Jupiter, details heretofore not noticed are becoming obvious. The Great Red Spot, which only a week or two earlier appeared to lack features, is now ...