What most of us would recognise as a jellyfish - the otherworldly, gelatinous aquatic animals renowned for their sting-filled tentacles - is actually just the final stage of these animals' life cycle.

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 ...

a girl exclaims. “I think they’re just mesmerizing,” Jennie Janssen, the assistant curator who oversees the care of the aquarium’s jellyfish, tells me. “They don’t have a brain, ...

A dangerous species of jellyfish that is known in Japan were detected in Philippine waters, according to research by Filipino and some foreign scientists. The scientists found evidence that Chironex ...

Mesmerizing and mysterious jellyfish will surround visitors in a new SeaWorld San Diego aquarium that focuses on the serene, graceful and ethereal creatures that have existed since before the age ...