Marine life is full of strange, beautiful, and often misunderstood creatures, but few are as bizarre and fascinating as the ...

The firework jellyfish was first recorded in 1909 ... Here, the temperature never rises above 40 degrees Fahrenheit, and divers would experience more than 5,850 pounds of pressure per square ...

Researchers witness gigantic iceberg A-84 breaking away from George VI, revealing an unknown ecosystem and giant phantom ...

Unlike fish, jellyfish lack bones and possess a sole rudimentary nerve net, yet they can travel considerable distances with ...

The big, blue jellyfish washing up on Florida beaches this week actually aren't jellyfish at all. Here's what to know about the Portuguese man o' war.

Jellyfish are singular ... or pink and rises up to six inches above the waterline,” NOAA says. “Lurking below the float are long strands of tentacles and polyps that grow to an average ...