In March and April 2025, internet users shared a striking image that they claimed showed "Steeple Mountain," a massive point ...

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 ...

resolving some issues about how Io's volcanoes erupt and raising broader questions about similar magma oceans within other moons and planets. Data from previous missions had made planetary ...

Io is an incredibly active and extreme place, with glistening lava lakes and volcanic eruptions shooting sulfur and magma to ...

The one member of our Solar System that surpasses Earth in volcanic vitality is Io, Jupiter's innermost moon. Containing around 400 powerful volcanoes, Io is influenced by Jupiter's gravitational pull ...

(CNN) --The Galileo spacecraft took the closest pictures yet of Jupiter's moon Io, a final photo shoot that captures molten lakes and crumbling cliffs on the most volcanic body in the solar system.