Jellyfish are among the most fascinating creatures in the world. Without brains, hearts, eyes, or bones, they somehow manage to survive and thrive in the ocean, arguably the harshest environment ...

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 ...

Jellyfish have survived for over 500 million years, making them more ancient than the dinosaurs. Today these otherworldly creatures can be found around the world, from coastal shallows to the ocean ...

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.