The String of Pearls Jellyfish (Apolemia uvaria), which is also known as string jellyfish or barbed wire jellyfish, has struck two Scottish salmon farms.

In recognition of the high standard of entries, 25 extra images were selected by the Natural History Museum and put to the public vote. Moon jellyfish swarm in the cool autumnal waters of a fjord ...

Jellyfish are known for drifting to and fro at the whim of ocean currents—but not all species are so passive. The millions of golden jellyfish that pack Palau’s Jellyfish Lake spend much of ...

The infamous box jellyfish developed its frighteningly powerful venom to instantly stun or kill prey, like fish and shrimp, so their struggle to escape wouldn’t damage its delicate tentacles.