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

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 ...

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 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 ...

For instance, the Hubble Space Telescope entered safe mode relatively recently as scientists worked on remedying some ...

In February 1979, scientists and engineers at NASA's Jet Propulsion Laboratory prepared for the exploration of Jupiter and ...

A burst of solar wind triggered a planet-wide heatwave in Jupiter’s upper atmosphere, say astronomers at the University in ...

NASA's Juno spacecraft has resumed normal operations after entering safe mode twice during its 71st close approach to Jupiter on April 4.

NASA's Juno probe sees active volcanic eruptions on Jupiter's volcanic moon Io (images) — NASA's Juno probe spots massive new volcano on Jupiter moon Io — Jupiter's volcanic moon Io may ...