There are 79 known moons of Jupiter, not counting a number of moonlets likely shed from the inner moons, and S/2003 J 24, whose orbital elements have not yet been published. All together, they form a ...

Jupiter has the most moons of any other planet. And if that’s not enough astronomers recently discovered 12 new ones to add to the list. Scott Sheppard: “Jupiter now has 79 known moons in the ...

While the moons are visible through 7×50 binoculars, if you want to catch these events in detail and enjoy the beauty of Jupiter's colorful clouds, a telescope with at least 6 inches of aperture ...

When it comes to places to search for life, Io hasn’t really been at the top of the list. Other moons of Jupiter, like Europa and Ganymede, have been considered far more likely candidates.

They are more commonly referred to as the Galilean moons of Jupiter owing to the fact that they were discovered by Galileo. The four Galilean moons – Io, Europa, Ganymede and Callisto – are ...

Icy moon Ganymede—which JUICE will orbit—appears as a gray, mottled orb crossing the face of Jupiter ... [+] in this image from the Hubble Space Telescope. Sixty-seven orbits of Jupiter.

Jupiter’s moon Io is the most volcanically active world in the Solar System. The gravitational tug-of-war between Jupiter and its other large moons squeezes Io so that its interior is molten.

About the same diameter as Earth’s moon, the innermost of Jupiter’s four giant moons is covered in volcanoes, some emitting sulfurous plumes hundreds of miles into space. It’s been imaged by ...

There's a laundry list of other chemicals that scientists are looking for — oxygen being one of them. Now, NASA's Juno spacecraft, which is currently flying around Jupiter and its moons ...

Even for Jupiter's moon Io, the most volcanic body in the solar system, a recent volcanic event witnessed by NASA's Juno spacecraft takes the biscuit. The event was just one eruption centralized ...

The European Space Agency launched its Juice mission to explore the potential for life on Jupiter’s moons. WSJ’s Aylin Woodward explains what will happen on the eight-year journey and what ...