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

Recent flybys of the fiery world refute a leading theory of its inner structure — and reveal how little is understood about ...

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

From your WhatsApp messages to your work emails, it can sometimes feel like emoji are everywhere you look. But tonight, a ...

Space exploration missions have revealed that polar vortices aren’t uncommon beyond Earth. They’ve been observed throughout ...

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

Scientists spent four years challenging an out-of-the-box theory that ammonia and water form slushy hailstones on the gaseous planet. Looks like it’s true.

NEW YORK (AP) — Third baseman Mark Vientos was out of the New York Mets' lineup Sunday against the St. Louis Cardinals ...

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

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

Scientists know of over a dozen planets that orbit twin stars like the fictional "Star Wars" desert planet Tatooine. More ...

Scientists have discovered that during storms on Jupiter, ice balls containing ammonia and water fall. This unusual ...