NASA's Juno spacecraft has again captured stunning images of Jupiter and its moon Io, providing more insights into the solar ...

While Galileo Galilei first observed Io in 1610, its volcanic nature wasn’t discovered until nearly four centuries later. In 1979, NASA’s Voyager 1 spacecraft captured images of volcanic ...

Io is the most volcanically active world in our solar system. Now, NASA scientists have revealed how and why. When you purchase through links on our site, we may earn an affiliate commission.

An illustration of NASA's Juno craft soaring above Jupiter's atmosphere. Jupiter's satellite Io is one of its largest moons. Credit: NASA / JPL-Caltech NASA's Juno spacecraft has made several close ...

Galileo Galilei's telescopic discovery of Jupiter's four moons in 1610 revolutionized astronomy and supported heliocentric ...

Earlier, after Io's volcanic activity was discovered in 1979, scientists thought that the moon has a global magma ocean. But Juno, from its close flybys in December 2023 and February 2024 has helped ...

Share on Facebook (opens in a new window) Share on X (opens in a new window) Share on Reddit (opens in a new window) Share on Hacker News (opens in a new window) Share on Flipboard (opens in a new ...

Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. The Juno mission ...

An illustration of NASA's Juno craft soaring above Jupiter's atmosphere. Jupiter's satellite Io is one of its largest moons. NASA's Juno spacecraft has made several close swoops by Jupiter's ...