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 ...

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.

It will take 5 1/2 years to reach Jupiter and will sneak within 16 miles (25 kilometers) of Europa’s surface — considerably ...

That's why humans have sent spacecraft to the Moon ... At 13,000 miles down, you reach Jupiter's innermost layer. Here the pressure is 2 million times stronger than at Earth's surface.

Since Galileo first laid telescope-enhanced eyes on Jupiter, scientists have continued to study the curious world from both the ground and the sky. In 1979, NASA's Voyager 1 and 2 spacecraft ...

When you buy through links on our articles, Future and its syndication partners may earn a commission. An image shows Io and the Juno spacecraft with a top down view of its south pole and the ...