Slushy hailstones of ammonia and water were part of a bizarre theory to explain the planet's poorly mixed atmosphere. These mushballs seem to be real, say UC Berkeley scientists.

Jupiter is known for its stormy weather, featuring cyclones, anticyclones, large storms, and ammonia-rich plumes that engulf the planet. The planet’s atmosphere is primarily made of hydrogen and ...

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

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 ...