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

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

When you buy through links on our articles, Future and its syndication partners may earn a commission. Jupiter’s moon Io is the most volcanically active world in the solar system. This high-resolution ...

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 ...

Jupiter’s volcanic moon has always felt like a place that tests your sense of what a world can be. Its surface glows with hundreds of active hot spots. Its mountains rise higher than Everest. Its lava ...

There’s no mistaking Jupiter in the sky these winter evenings, rising in the southeast as evening twilight ends. In fact, you should be able to easily see it long before twilight fades. Jupiter is ...

Using data from NASA's Juno spacecraft, scientists have discovered that the solar system's most volcanic body is even hotter than we thought. In fact, Jupiter's moon Io could be emitting hundreds of ...

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