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 ...

The two largest planets in the Solar System – Jupiter and Saturn – have a lot in common. They're made of very similar stuff, ...

Jupiter and Saturn's different polar storms reveal clues about planet interiors: Saturn has harder bottom than Jupiter.

Jupiter and Saturn have strikingly different polar storms. Scientists suggest these swirling vortices may reveal what lies ...

Thick, swirling clouds cover Jupiter from pole to pole. They hold water like Earth’s clouds, but at far greater density.