Add Yahoo as a preferred source to see more of our stories on Google. 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 ...

Swipe Down for Full Video Story Io, one of Jupiter’s four largest moons, feels like it belongs in a science fiction nightmare ...

It was many years ago now when David Bowie asked if there was life on Mars. Since then, we’ve concluded there isn’t, much to everyone’s disappointment. That left scientists the world over to start ...

"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." When you purchase through links on our site, we may earn an ...

The Juno mission was making its 51st flyby of the gas giant planet and its moons when it viewed the 'tortured moon' Io in stunning detail. When you purchase through links on our site, we may earn an ...

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 ...

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 ...

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 ...

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 ...