The weather forecast for Jupiter calls for clouds with a chance of lightning and "mushballs"—a slushy mix of ammonia and water encased in a hard water ice shell that rain down like hail here on Earth.

Jupiter is about to dominate the midwinter sky, turning January evenings into a showcase for the biggest planet in the solar system. As Earth lines up almost perfectly with Jupiter and the sun, the ...

The biggest planet in the solar system will be on display in the December sky as it shines brighter than it has all year. On Saturday, Dec. 7, Jupiter will reach opposition, the point in its orbit ...

WASHINGTON — Scientists studying Jupiter's weather for nearly 40 years made some unexpected and slightly mysterious discoveries about how temperatures in the planet's different belts and zones ...