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

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 ...

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

Consider the astronomical and physical possibility of a gas giant's stellar transformation.

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.

Astronomers have discovered that super-Earth exoplanets are more common across the universe than previously thought. While it can be relatively easy to locate worlds that orbit close to their star, ...

"This measurement of the planet population from planets somewhat larger than Earth all the way to the size of Jupiter and ...

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

A new study released on Thursday describes a search for what are called "microlensing" events, where a planet acts as a ...

Study suggests Earth-like exoplanets may be common, based on microlensing data revealing super-Earths with distant orbits.