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

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

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 ...

probed tens of kilometers below the clouds to provide global context. Juno's Microwave Radiometer explored the deep ...

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

Assembled and enhanced from three Voyager 1 negatives, this picture shows Jupiter’s swirling clouds and Great Red Spot. Last July 4, when the Juno spacecraft executed a death-defying dive over ...

NASA's Juno spacecraft has resumed normal operations after entering safe mode twice during its 71st close approach to Jupiter on April 4.