Thirty-five years ago, the Hubble Space Telescope was launched into orbit. It's been sending back galactic data and images ever since.

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 ...

A Nasa spacecraft has captured its first detailed images of an unexplored asteroid, revealing a bizarrely shaped ...

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.

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