NASA has recently shared groundbreaking footage of Mars, offering the clearest images of the red planet ever captured by the ...

Imagine a Slushee composed of ammonia and water encased in a hard shell of water ice. Now picture these ice-encrusted ...

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

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

Observations of Jupiter show that ammonia is unevenly distributed in the upper atmosphere, against expectations of uniform mixing. Scientists found evidence for a complicated but apparently real ...

The weather forecast for Jupiter calls for clouds with a chance of lightning and "mushballs"—a slushy mix of ammonia and ...

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

When a planet's orbit brings it between Earth and a distant star, it's more than just a cosmic game of hide and seek. It's an ...

On Mars, two of NASA's robotic rovers are in the process of searching the now-barren planet ... to one of Jupiter's many moons where water is believed to exist beneath an icy surface.