Using data gathered by NASA's Juno Jupiter orbiter, scientists estimate that Europa's ice shell is about 18 miles thick — ...

As part of Juno’s extended mission, the spacecraft is making close encounters of Jupiter’s large Galilean moons after having ...

Advanced analysis of decades-old data from NASA's Galileo spacecraft identifies ammonia-bearing compounds discovered on the surface of Jupiter's moon Europa, as shown in this composite image. Zooming ...

The volcanic hot spot is larger than Lake Superior, spewing eruptions six times the total energy of all of the world's power plants.

An atmospheric study reveals unexpected findings about our largest neighboring planet and the structure of its deep atmosphere.

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

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

Jupiter and Saturn host strikingly different polar storms, despite being similar giant planets, and scientists have long wondered why. New simulations suggest the answer may lie deep below the clouds.

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

There’s no mistaking Jupiter in the sky these winter evenings, rising in the southeast as evening twilight ends. In fact, you should be able to easily see it long before twilight fades. Jupiter is ...

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

Jupiter's moon count reaches 95+ official satellites. Explore the history of the Jovian system, from Galileo to the latest NASA discoveries.