New measurements show Jupiter is slightly smaller and flatter, improving models of its interior and atmosphere.

A new computer model indicates Jupiter’s massive winds are generated from deep within the giant planet’s interior, a UCLA scientist and international colleagues report today in the journal Nature.

Jupiter and Saturn host some of the strangest weather in the Solar System, and nowhere is that more obvious than at their poles. Instead of a single swirling hurricane, each world displays organized ...

Over the years, passing spacecraft have observed mystifying weather patterns at the poles of Jupiter and Saturn. The two planets host very different types of polar vortices, which are huge atmospheric ...

"Tidal heating plays an important role in the heating and orbital evolution of celestial bodies," said Alex Hayes, professor of astronomy. "It provides the warmth necessary to form and sustain ...