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

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

"Most excitingly, this new idea addresses one of the longstanding habitability problems on Europa and is a good sign for the ...

Jupiter harbors more oxygen than the sun, a new study finds, giving astronomers a crucial clue about how our solar system's ...

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

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

The wolf moon is spectacular enough, but look east and you’ll see a celestial titan the size of a pinprick ...

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

Europa’s subsurface ocean might be getting fed after all. Scientists found that salty, nutrient-rich surface ice can become ...

Unlike earlier studies, which often examined chemistry and atmospheric motion separately, the new simulations combined both.

The abundance of oxygen inside Jupiter is a major, unsolved problem. For decades, researchers have argued about this value, ...

Astronomers watched a distant star dim for months and found a metal-rich cloud that may be the aftermath of a massive ...