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

NASA's Juno spacecraft, part of the Juno mission launched in 2011, has captured groundbreaking images of a significant volcanic feature on Jupiter's moon Io, known for its extreme geological activity.

"Io stands out as the most volcanically active body in our solar system, boasting hundreds of active volcanoes that emit plumes of gas and dust reaching heights of up to 400 km [250 miles] and ...

An curved arrow pointing right. The surface of Io, one of Jupiter's many moons, is an especially hostile environment – even for space. Scientists recently observed its atmosphere completely ...

What can a sample return mission from Jupiter's volcanic moon, Io, teach scientists about planetary and satellite (moon) formation and evolution? This is what a recent study presented at the 56th ...