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 newly characterized “elegant jellyfish,” roughly the size of a human hand ... and reproducing for more than 15 years at two public aquariums in Japan with the label T. formosa. Their uniqueness ...