Learn what makes the Australian box jellyfish so venomous, what happens when it stings, and which first-aid steps matter most ...

The extraordinarily beautiful scene captured in this Instagram post is also a superb example of genetic morphs or how diet ...

Jellyfish aren't exactly people's favorite animals, especially not when they're on vacation. When traveling around the ...

For three summers in a row, researchers working in the Mai Po Nature Reserve noticed something unusual drifting through the brackish shrimp ponds. At first glance, the small, translucent animal looked ...

The transparent jellyfish, which grows to about 1 inch in diameter, releases neurotoxins that can cause muscle spasms, nausea ...

SINGAPORE: Researchers from Singapore and Japan have discovered a new species of box jellyfish near Sentosa, and have advised ...

Jellyfish sting treatment in Thailand depends on the species like box jellyfish, Portuguese man-of-war, and mild stings, and what to avoid.

While scuba diving off the south-west coast of England this summer, I was lucky to encounter several different species of jellyfish in just a matter of weeks. Many of these, including the compass ...

Clinging jellyfish are back in New Jersey's waters, with painful stings reported from a few NJ residents, raising concerns ...

The Canadian Rocky Mountains offer more than scenic views: The mountains have been hiding fossils of an ancient jellyfish species. Researchers analyzed 182 fossils that were found in the middle ...