"What makes the event even more extraordinary is that it did not involve a single volcano, but multiple active sources." ...

The hellish surface of a moon of Jupiter known as Io is riddled with hundreds of lava-spewing volcanoes that make the world one of chaos and violence. The brutal conditions also make Io intriguing to ...

When you buy through links on our articles, Future and its syndication partners may earn a commission. Io is the most volcanic world in the solar system, with around 400 volcanoes. Its extreme ...

The moon greets Jupiter two days ahead of its full moon phase on Feb. 1.

While Io, the most volcanically active moon in the solar system, appears completely dry and devoid of water ice, its neighbor Europa is thought to harbor a vast global ocean of liquid water beneath ...

Research into Jupiter’s moons shows Io and Europa did not evolve apart but formed with opposite compositions from the beginning.

New images of Jupiter moon Io show massive volcanoes, a scarred landscape and lava flows. Jupiter has a total of 92 moons, and Io is slightly larger than Earth’s moon.

The volcanic hot spot is larger than Lake Superior, spewing eruptions six times the total energy of all of the world's power plants.

On October 10, 2025, a double transit event of Jupiter's moons, Io and Europa, along with their shadows, is observable across the planet's disk. This predawn phenomenon begins at 4:30 A.M. EDT with ...

There’s no mistaking Jupiter in the sky these Butler winter evenings, rising in the southeast as evening twilight ends. In ...

While Io, the most volcanically active moon in the solar system, appears completely dry and devoid of water ice, its neighbor ...