Io isn’t just another moon, it’s the most volcanically active body in the entire solar system. Orbiting Jupiter, Io is ...

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 ...

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 ...

An illustration shows NASA's Juno spacecraft as it makes a flyby of the Jovian moon Io. NASA's Juno mission will come closer to Jupiter's moon Io than any spacecraft has in around 20 years on Saturday ...

NASA’s Juno mission captured Jupiter’s moon Io on December 30 during its closest flyby. Image: NASA/Image processed by Kevin M. Gill The mutilated surface of Jupiter’s moon Io was revealed in great ...

The crescent moon will shine with Jupiter among the stars of Gemini early on Sept. 16. Turn your eyes to the east in the ...

Jupiter's magnetic field is enormous, which is fitting for the King of the Planets. It is far stronger and larger than Earth's, and, not surprisingly, far more complex. Still, some parts of it are ...

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 ...

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 ...

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 Moon passes 5° north of Jupiter at 7 A.M. EDT. Early risers can enjoy the pairing before sunrise, standing some 50° high ...

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 ...