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

This 150-million-year old space rock may look like a badly-shaped potato but studying it could help scientists understand how ...

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 ...

NASA's Juno revealed mushballs on Jupiter, reshaping our understanding of deep, violent gas giant storm systems.

Uranus Findings Can Aid the Study of Exoplanets Now more than 30 years into its mission, the Hubble Space Telescope has ...

Weather on Jupiter may have some surprising similarities to Earth phenomena, but some things it does defy easy explanation.

If you've been wondering how long the day on Uranus is, you probably need to get out more. But if you have, you'll be ...

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 ...

Gas giants like Jupiter and Saturn and ice giants like Neptune and Uranus are a major focus of current space missions and large telescopes, including the James Webb Space Telescope, in part ...

The team used more than a decade’s worth of observations of Uranus’ unique aurorae taken with Hubble and refined the planet’s rotation period. This technique revealed that it completes a rotation 28 ...