There’s evidence to suggest that the comb jellyfish was the first animal to appear on Earth some 700 million years ago.

Each year on November 3rd, World Jellyfish Day is celebrated to raise awareness about jellyfish and their ecological ...

“Jellyfish have stinging cells called nematocytes,” explains Dr Ronald Jenner, our Principal Researcher in venom evolution. “They have thousands of these along their tentacles. The stinging cells ...

Animals with stage-three eyes can find suitable homes, as sea stars do, or avoid obstacles, as box jellyfish do. Stage four is where the evolution of eyes—and their owners—really takes off.

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, along with other cnidarians such as corals and ... feature independently acquired for complex organ and appendage regeneration during animal evolution," Fujita said. The cellular origins of ...

The edible mauve stinger, Pelagia noctiluca, is found in all the world's warm and temperate oceans Jellyfish numbers have been increasing rapidly in the Mediterranean and one species that has long ...

Bobbing on the surface of the waves or letting themselves be carried by the current, jellyfish are among the oldest creatures in the oceans. However, they are increasingly seen as a problem ...