A new species of venomous Portuguese man-of-war, Physalia mikazuki, has been discovered in northern Japan. Genetic evidence ...

A Japanese teenager discovers a new species of jellyfish in a bay, Orchistoma integrale, extending the habitat of this genus.

Yes, jellyfish are beautiful! But they're also SCARY AS HELL. Allow me to explain: 1.First of all, they literally do not have brains. They're just out here swimming around with ZERO brain cells.

Every year, World Jellyfish Day celebrates one of the ocean’s most enigmatic creatures. Graceful yet dangerous, simple yet ...

The mythical Hydra may have been able to grow one of its many heads back every time it suffered a decapitation, but there are actual creatures capable of regenerating parts of their bodies bitten off ...

Good question! As climate change continues to affect the ocean, the number of jellyfish is expected to increase in some regions and decrease in others. Warmer waters often favor jellyfish growth, but ...

Here are the U.S. beaches with the most jellyfish stings, plus which species are common, and expert tips on how to avoid and ...

For Caribbean box jellyfish, learning is literally a no-brainer. In a new experiment, these animals learned to spot and avoid obstacles despite having no central brain, researchers report September 22 ...

Barrel jellyfish have been on a significant rise with a 230 per cent increase in sightings compared to last year ...

Beach-goers haunted by nasty sea stings may be pleased to know there could be some karma in store for jellyfish. They’re currently on track to be used to generate human skin. That’s because the ...

PADRE ISLAND, Texas – Visitors to Port Aransas and Padre Island beaches may have encountered an unusual sight lately: a cotton candy-looking jellyfish. The rare “pink meanie” jellyfish are washing ...