If there was a contest for the most interesting moon in our solar system, Callisto would be a contender. Jupiter's ...

When a mudflat crumbles on Earth, or an ice sheet splinters on one of Jupiter's moons (Europa), or an ancient lakebed breaks ...

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 ...

NASA's Juno spacecraft has discovered a giant volcanic hot spot on the surface of Jupiter's hellish moon Io. The eruptions in this area are chucking out six times the energy being produced by all ...

The first major event of Europa Clipper's journey to Jupiter takes place this weekend as a gravity assist maneuver around the ...

Jupiter, the largest planet in our solar system, is a gas giant known for its swirling storms, iconic Great Red Spot, strong ...

NASA's Europa Clipper will fly past Mars today to adjust its trajectory and position itself for a critical phase of its ...

Callisto, one of Jupiter’s largest moons, looks like a boring, crater-filled world. It doesn’t seem to have much going on ...

We are at a critical time and supporting climate journalism is more important than ever. Science News and our parent organization, the Society for Science, need your help to strengthen ...

On Feb. 3, Mercury will meet with Jupiter retrograde, bringing insightful and thought-provoking ideas to the surface Prepare for the stellar brainstorm you never knew you needed! On Feb. 3 ...

Io is Jupiter's third-largest moon ... which revealed that a large dark patch has emerged on the moon's surface. This area is likely covered in solidified lava flows that poured out during ...