NASA's Juno spacecraft made a close flyby of Jupiter moon lo. See an animation of the images the probe captured created by ...

With a whopping 274 moons now known to exist in its orbit, Saturn beats Jupiter's moon count by a mile—or, some might say, a ...

It is likely that the four large moons were formed at the same time as Jupiter and in its immediate vicinity. For the small moons, it is assumed that they are more likely to be asteroids captured by ...

Many of these celestial orbs are as remarkable as Jupiter itself. The largest moon in the solar system, Ganymede is also the only moon known to have its own magnetic field. Volcanoes rage on Io's ...

A combination of short and long exposures in F212N (mapped to an orange color) and F335M (mapped to cyan) show Jupiter’s rings and some of its small ... as well as the moon Io (just off to ...

When Nasa's Juno probe approached Jupiter it caught sight of its four big moons - Callisto, Ganymede, Europa and Io. When Galileo Galilei's discovered these moons in 1610, it marked the birth of ...

Multiple flybys: The Juice mission will complete multiple flybys of Jupiter’s moons as it undergoes its research. During this time, astronomers will gather more data than ever about Jupiter and ...

The mission, focused on studying Jupiter and its moons, reached Jupiter's orbit on July 4, 2016. NASA announced the mission would continue through September 2025, "or until the spacecraft's end of ...

Its Juice satellite will leave Earth on Thursday to begin an eight-year journey to Jupiter, where it will study the gas giant's major moons. There's good evidence that these icy worlds - Callisto ...

When Jupiter was young ... history was full of giant collisions. The moon formed after a huge body collided with Earth 4.5 billion years ago, and its craters are the scars of a billion-year ...