Jupiter’s moon Io is one the most exotic places in the entire solar system. It is also one of the worst places to try and establish a human colony (though none of the bodies in our solar system really ...

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 ...

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 ...

Image of volcanic plume on Io from NASA's Galileo spacecraft taken in June 1997. (Credit: NASA/JPL-Caltech/ University of Arizona) Image of first evidence of active volcanism on Io taken by NASA's ...

Breakthroughs, discoveries, and DIY tips sent every weekday. Terms of Service and Privacy Policy. In our solar system, there are worlds of ice and worlds of fire ...

On Saturday NASA's Juno spacecraft, which has been orbiting Jupiter for the better part of a decade, made its closest flyby of the innermost moon in the Jovian system. The spacecraft came to within ...

Why it's so special: NASA's Juno spacecraft has captured the closest views of Io since NASA's Galileo spacecraft imaged the volcanic world in 2001. Passing within just 930 miles (1,500 kilometers) of ...

This false-color composite of Jupiter's moon Io is the highest resolution image taken by the space probe Galileo. Dark spots, many flagged by bright red pyroclastic deposits, mark the sites of current ...