Nasa's probe Juno is going to reach Jupiter today, and that's awesome because we know so little about our solar-system giant. Here's what we do know: Named for the king of the Roman gods ...

The fifth planet from the sun, Jupiter is what watercolor dreams are made of. Vibrant bands of clouds ripple around its thick atmosphere, making up a world so large that more than 1,300 Earths ...

Discover interesting facts about Saturn, its rings and whether it could contain extraterrestrial life.

Jupiter has the most moons in our solar system, 95 of which we know. Mars has the tallest volcano in the solar system, ...