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

NASA’s Juno spacecraft identifies over 40 enormous lava lakes on Io, shedding light on the extreme volcanism sculpting Jupiter’s moon.

NASA Juno mission captured amazing new imagery of Jupiter's moon Europa. The spacecraft flew about 219 miles (352 kilometers) over the surface of the moon. Credit: Space.com | imagery credit: Credit : ...

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 ...

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

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 ...

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 ...

Mercury has a rocky surface when, facing the sun, can reach highs of 800 degrees while overnight lows could reach minus 290 ...

More pocked with craters than any other object in our solar system, Jupiter's outermost and second-biggest Galilean moon, Callisto, appears geologically unremarkable. In the 1990s, however, NASA's ...

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 ...