Close flybys of Io, one of Jupiter's moons and the most volcanically active world in our solar system, have revealed a lava lake and a towering feature called "Steeple Mountain" on the moon's ...

Juno mission, one of Nasa's highly successful spacecraft, has revealed mysterious features on the surface of Jupiter's moon Io. Scientists have for the first time transformed data collected ...

Experts analyzed satellite imagery of planetary surface cracks and compared them with Earth's geologic features, searching for any patterns.

Ganymede, Jupiter's largest moon and the solar system's largest, is bigger than Mercury and the dwarf planet Pluto, with a diameter of 5,268 kilometers.

Giant auroras, raging clouds and a storm three centuries in the making - our solar system's largest planet is every bit as dramatic as its tempestuous appearance suggests. Jupiter, the largest planet ...

If there was a contest for the most interesting moon in our solar system, Callisto would be a contender. Jupiter's second-largest moon has more impact craters on its surface than any other ...