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

Imagine the spectacular and potentially disruptive gravitational effects of Jupiter colliding with a small star.

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 ...

Scientists thought they saw a distant star swallow a planet for the first time ever. But new observations from the James Webb ...

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

The past two weeks were almost entirely cloudy. Behind the clouds, we missed many beautiful events involving the moon, ...

Typically, a planet's magnetic field funnels the material into its atmosphere. But even planets without a field can still ...