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

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

NASA scientists reveal fresh insights into Jupiter’s polar cyclones and new evidence of lava flows on its moon Io ...

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

In March and April 2025, internet users shared a striking image that they claimed showed "Steeple Mountain," a massive point of interest on Jupiter's moon Io. For example, one X u ...

JunoCam, the visible light imager aboard NASA's Juno, captured this enhanced-color view of Ju-piter's northern high latitudes ...

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

A flurry of new discoveries from NASA's Juno mission Jupiter have taken us beneath the surface of the gas giant's volcanic ...

NASA’s Juno probe has been orbiting Jupiter since 2016, and it’s still sending back fresh data. The spacecraft is giving ...

NASA’s Juno mission has unveiled new insights into Jupiter’s fierce winds, cyclones, and volcanic activity on its moon, Io.

Scientists have peered beneath the surface of our solar system's most volcanically active world thanks to NASA's Juno spacecraft. For the first time ever, the spacecraft has revealed subsurface ...