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.

The gas giant will shine at its peak brilliance on Jan. 10, offering spectacular viewing opportunities all month long.

On Saturday (Jan. 10), for example, we will see three satellites on one side of Jupiter (going outward from the planet: Ganymede, Io and Europa ), while the fourth ( Callisto) remains all by itself on ...

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 ...

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 ...