Eleven times wider than Earth. Over 300 times more massive. And a million times more terrifying. Jupiter may look like a beautiful ball of swirling clouds, but on the inside, it is a gaseous inferno.

A cross section of the upper atmosphere, or troposphere, of Jupiter, showing the depth of storms in a north-south swath that crosses the planet's equator, or equatorial zone (EZ). Blue and red ...

The shocking findings were part of a recent study in which astronomers effectively peered back in time to discover what Jupiter was like in its early years. Jupiter is not only the largest in the ...