Man-of-war are known for their long tentacles that grow to be an average of 30 feet, but can be around 100-feet-long, ...

Despite their name, jellyfish aren’t ... others the depths, and a few prefer freshwater. What unites them is that they’ve converged on a similarly successful strategy for floating through ...

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 ...

With a flattened body and eyes on stalks, its spindly legs grip the empty bell of a small dead jellyfish, a mauve stinger. When alive, this jellyfish glows in the dark and has a nasty sting. The ...