NASA's Europa Clipper is about to use Mars' gravitational pull to slingshot itself towards Jupiter's fourth-largest moon ...

And whether seen with a telescope or binoculars, the giant planet remains large and bright ... On this particular night, all four moons will be in view. Flanking Jupiter on one side, going outward ...

The brutal conditions also make Io intriguing to NASA scientists intent on learning more about the innermost and third-largest of Jupiter’s four Galilean moons. For nine years, a spacecraft ...

If you find Jupiter, you’ll likely see four small dots to the side of the gas giant: they are the Galilean moons, four of the 95 natural satellites around the Solar System’s largest planet.

The RPWI consists of four 10cm diameter Langmuir probes for exploring the atmosphere around Jupiter's icy moons. Each probe ... these coatings on such large spheres proved to be no easy task.

Luna skims by Mercury, Venus, Uranus, Neptune, and Jupiter as it grows from a thin crescent to just past First Quarter in the ...

Its extreme activity is driven by "tidal flexing" from Jupiter's crushing gravity ... which revealed that a large dark patch has emerged on the moon's surface. This area is likely covered ...

The acid yellow moon Io that orbits Jupiter may be less than 30% the size of Earth, but is considered the most volcanic body in our solar system. As demonstrated by explosive news from NASA on ...