The surface of Io, one of Jupiter's many moons, is an especially hostile environment – even for space. Scientists recently observed its atmosphere completely collapse for the very first time.

"These energized electrons then interact with Io's atmosphere and surface ... their interaction with Io might also vary ...

Saturn makes Titan's gases come out; Titan's size ensures some of them stick around in an atmosphere. Jupiter's moon Io, being so close to its humungous neighbor, has plenty of volcanic activity ...

What can a sample return mission from Jupiter's volcanic moon, Io, teach scientists about planetary ... of returning samples from the surface, atmosphere, or plumes of diverse planetary bodies ...

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. NASA Jet Propulsion Laboratory ...

Two very close recent flybys of Io by the Juno spacecraft have revealed more detail about the most volcanic world in the solar system - Jupiter's mysterious moon, Io. Nasa has released a new ...