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

A cross section of the upper atmosphere, or troposphere, of Jupiter, showing the depth of storms in a north-south swath that ...

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

The weather gets a little wild and weird on Jupiter. How wild? Spacecraft instruments have measured strong winds, tracked ...

In 2020, astronomers detected WD 1856+534 b, a gas giant that orbits a star 81 light-years from Earth. This exoplanet, which ...

Large hailstones made of ammonia may explain why the gas is missing from large pockets of Jupiter's atmosphere.

In March and April 2025, internet users shared a striking image that they claimed showed "Steeple Mountain," a massive point ...

A burst of solar wind triggered a planet-wide heatwave in Jupiter’s upper atmosphere, say astronomers at the University in ...

It's hard to measure altitudes in Jupiter's atmosphere, because the planet doesn't have a surface in the usual sense (there's liquid somewhere below all those deep layers of gas, but it's never ...

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 ... reaching only 10 to 20 kilometers below the visible cloud deck or "surface" of the planet, which has a radius of 70,000 km.