Europa Clipper is NASA’s bold mission to investigate whether Jupiter’s moon Europa could harbor life beneath its frozen ...

ESA's Mars Express orbiter captured footage of the Mars' moon Deimos pass in front of Ganymede, Europa, Jupiter, Io and ...

This gas giant has some really unique features that make it stand out. If you’re curious about space, learning a few things ...

NASA’s Juno spacecraft has once again delivered a stunning view of Jupiter’s ever-changing atmosphere. In this latest image, ...

Jupiter's second-largest moon has more impact craters on its surface than any other planetary body in the solar system, and it has tons of ice on its surface as well.

Because Io is so close to its massive host planet, the moon is subjected to a tremendous gravitational pull as it orbits Jupiter once about every 42 hours, according to the Planetary Society.

Jupiter isn’t alone in this category; Saturn, Uranus, and Neptune are also gas giants, though Uranus and Neptune are often ...