NASA’s Juno spacecraft has delivered a stunning revelation about Io, the most volcanically active body in the solar system. Once believed to harbor a global magma ocean beneath its surface, Io’s fiery ...

As the innermost of Jupiter’s Galilean moons, Io offers a glimpse into some of the most extreme geologic phenomena in the solar system. Roughly the size of Earth’s Moon, Io’s surface is marked by ...

Spacecraft from NASA and other organizations captured rich imagery of our solar system in 2024, including views of Mars, Io, the moon, and Earth.

A year of discovery awaits, with missions poised to reveal new insights about our home planet, solar system, galaxy, and ...

From a death swirl into Jupiter to "Ghost Riders in the Sky," here are some of the most exciting space missions coming in ...

Jupiter's satellite Io is one of its largest moons. Credit: NASA / JPL-Caltech NASA's Juno spacecraft has made several close swoops by Jupiter's volcanic moon Io, and it's beamed back stunning views ...

The north polar region of Jupiter’s volcanic moon Io was captured by NASA’s Juno during the spacecraft’s 57th close pass of the gas giant on Dec. 30, 2023. Data from recent flybys is helping ...

As 2025 begins, a thrilling array of space missions awaits humanity, making the new year a landmark year for space ...

But new measurements from Juno, coupled with archival data from the Galileo mission, have seemingly put to bed to the possibility of a magma ocean beneath the surface of Io. As many as 400 ...

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

See the US achieve many firsts in space exploration this year from SpaceX's wild rocket catch to Intuitive Machines' historic ...