One of the big surprises: Despite the moon's cooled crust, the data shows Io maintains liquid hot lava just below the ground.

NASA's Juno spacecraft made a close flyby of Jupiter moon lo. See an animation of the images the probe captured created by ...

Recent flybys of the fiery world refute a leading theory of its inner structure — and reveal how little is understood about ...

A group of swirling storms at Jupiter's north pole are bouncing off each other, like bumper cars at the fairground.

Scott Bolton’s first encounter with Io took place in the summer of 1980, right after he graduated from college and started a job at NASA. The Voyager 1 spacecraft had flown past this moon of Jupiter, ...

What’s more, data from Juno’s Io flybys has revealed the subsurface temperature profile of Io, the innermost of the four ...

NASA’s Juno spacecraft has just delivered some exciting discoveries from Jupiter and its fiery moon, Io. The new findings, ...

Catch some morning meteors, see the Moon reach First Quarter, and watch Mars visit the Beehive in the sky this week.

Apr. 3, 2025 — A solar wind event from 2017 that hit Jupiter and compressed its magnetosphere created a hot region spanning half Jupiter's ... Solar Cells Made of Moon Dust Could Power Future Sp ...

UCSB Physics Professor Roger Freedman held our attention three years ago as he explained the wonders and understanding that ...