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 ...

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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 ...

A rare celestial event is set to occur Saturday night, as six planets will line up across the sky, but will we even see them?