Jupiter’s most famous storm is slimming down, spinning up and behaving in ways that challenge what scientists thought they knew about giant-planet weather. The Great Red Spot, once a planetary icon ...

There is more than meets the eye for a distant gas giant planet. Astronomers have discovered that the extrasolar planet, or "exoplanet," not only has one of the weirdest orbits ever seen, but it is ...

Jupiter reaches opposition once a year, when Earth passes directly between it and the Sun, creating the best possible viewing […] ...

Spectacular clouds swirl across the surface of Jupiter. These clouds contain water, just like Earth's, but are much denser on ...