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

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

By contrast, Saturn's atmosphere is layered more deeply. There, either weaker forcing reduces deep turbulence, or more energy ...

Over the years, passing spacecraft have observed mystifying weather patterns at the poles of Jupiter and Saturn. The two ...

The giant planet Jupiter is back in our evening sky this week. Fresh from its opposition with the sun on Jan. 10, it now lies as close to the Earth as it ...

“There, by one of Nature’s supreme jests, was something very precious to mankind,” Clarke writes. “The core of Jupiter, forever beyond human reach, was a diamond as big as the Earth.” We have fallen ...