The weather forecast for Jupiter calls for clouds with a chance of lightning and "mushballs"—a slushy mix of ammonia and ...

A bizarre hailstorm of icy “mushballs” — slushy mixtures of ammonia and water — has been confirmed on Jupiter, where intense ...

Observations of Jupiter show that ammonia is unevenly distributed in the upper atmosphere, against expectations of uniform mixing. Scientists found evidence for a complicated but apparently real ...

A massive solar windstorm in 2017 compressed Jupiter's magnetosphere "like a giant squash ball," a new study reports.

Imagine a Slushee composed of ammonia and water encased in a hard shell of water ice. Now picture these ice-encrusted ...

Is there evidence of a planet ever existing between Mars and Jupiter? MarkSmithtown, New York This splendid question gives us ...

Although the impact of Comet Shoemaker-Levy 9 seems like a once-in-a-lifetime event, impacts still occur at Jupiter. You ...

In a memorable image from the 1977 film "Star Wars," the young hero Luke Skywalker gazes at two suns setting above the ...

Scientists thought they saw a distant star swallow a planet for the first time ever. But new observations from the James Webb ...