New research casts doubt on the prospects for a habitable, active environment beneath the frozen surface of Jupiter’s moon ...

What type of lander could touch down on Jupiter's volcanic moon, Io? This is what a recent paper presented at the AIAA 2025 Regional Student Conference hopes to address as a team of student engineers ...

The giant planet Jupiter has nearly 100 known moons, yet none have captured the interest and imagination of astronomers and ...

The moon spent a few million years as a volcanic wasteland, covered with ongoing eruptions that spewed from mountains and even from the ground itself. New research suggests that the moon's orbit could ...

On January 7, 1610, the Italian astronomer Galileo discovered three of Jupiter's moons: Callisto, Europa and Io. When he ...

Although Europa is the fourth largest of Jupiter’s 95 moons, it’s the smallest of the Galilean moons – the largest being Ganymede. With an equatorial diameter of about 3,100 kilometres, Europa is ...

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 ...

Io orbits so close to Jupiter that gravity alone reshapes its entire surface. Instead of cooling over time, the moon is ...

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 ...

Scott Bolton’s first encounter with Io took place in the summer of 1980, right after he graduated from college and started a job at NASA. The Voyager 1 spacecraft had flown past this moon of Jupiter, ...