Beaches along the west coast have been covered by delicate, blue creatures. The phenomenon isn't quite new, but the large ...

Jellyfish are a highly diverse group of aquatic animals. Their diameters range from 1 mm to over 1 m. Most have long tentacles, in some cases reaching more than 10 m in length. They come in a wide ...

How do they swim? Do they have brains? From notorious box jellyfish to innocuous blubbers, jellyfish are as strange and diverse as they are common. With a reputation for causing stinging pain, ...