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 ...

Jupiter's volcanic moon Io doesn't appear to have a subsurface ocean of magma, resolving some issues about how Io's volcanoes erupt and raising broader questions about similar magma oceans within ...

JunoCam’s sequence of images of the NASA Juno mission's encounter with Jupiter's moon, io, on 3 February 2024. Comparison of Galileo and JunoCam data showing emergence of new volcano on 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 ...

Volcanoes May Help Reveal Interior Heat on Jupiter Moon Sep. 19, 2024 — By staring into the hellish landscape of Jupiter's moon Io -- the most volcanically active location in the solar system ...

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

"It's amazing that after 35 years, Hubble still holds a unique capability as a top workhorse for science discoveries and ...

A burst of solar wind triggered a planet-wide heatwave in Jupiter’s upper atmosphere, say astronomers at the University in Reading, UK. The hot region, which had a temperature of over 750 K, ...

Catch two transits of Io, spot sparkling star clusters, and view Mars at aphelion while the April Full Moon lights the sky ...