Immortal jellyfish are part of the Cnidaria group, which is also where corals and sea anemones are classified in animal taxonomy. The life cycle of the immortal jellyfish is what makes it ...

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 ...