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

Some are surprisingly tiny — less than half an inch — while others grow to enormous sizes, with bells over 7 feet wide and tentacles stretching over 100 feet long. The jellyfish featured in ...

These tiny jellyfish have been drifting around the oceans since before the days of the dinosaurs—but how long has a single jellyfish lived? It appears to be biologically possible that ...

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