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

Io and its shadow cross Jupiter overnight tonight with only 20 minutes between them. Finding Jupiter is likely familiar by now, as the gas giant shines brightly in Gemini near the heads of the Twins.

Jupiter’s innermost Galilean moon, Io, crosses the gas giant along with its shadow this evening in an event visible across the U.S. Jupiter rises around 6:30 P.M. local time, climbing above the ...

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 ...

Discovered by Galileo in 1610, Io has since become one of the most fascinating objects in planetary science. Orbiting just 350,000 km above Jupiter, Io experiences gravitational forces 300% stronger ...

New data from the orbiter has unveiled some of the treacherous conditions of not only Jupiter, but its moon Io, the most volcanic body in the solar system. The findings, which come after Juno has ...

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. NASA Jet Propulsion Laboratory ...

Jupiter’s moon Io (left side of image) is connected to Jupiter (right side of image) through the planet’s magnetic field. Juno’s close flyby of Io revealed electrons with varying properties in the ...

Jupiter’s moon Io, the most volcanically active body in the solar system, is littered with hundreds of erupting volcanoes. High-resolution images now reveal several dozen lava lakes, researchers ...

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 ...