Jellyfish are among the most fascinating creatures in the world. Without brains, hearts, eyes, or bones, they somehow manage ...

The jellies change color depending on what they eat ... In other parts of the world, swarms of jellyfish have menaced swimmers and clogged fishing nets. In 2006, beaches in Italy and Spain ...

Jiggly, colorful, and vaguely transparent ... to raising awareness about jellyfish on November 3, fittingly called World Jellyfish Day. In honor of the holiday, here are 25 stunning images ...

Dr. Angel Yanagihara, a marine biologist at the University of Hawaii at Manoa, and the world's foremost expert on box jellyfish, says that the box jellyfish does not release venom like a rattlesnake.

Jellyfish have survived for over 500 million years, making them more ancient than the dinosaurs. Today these otherworldly creatures can be found around the world, from coastal shallows to the ocean ...

The infamous box jellyfish developed its frighteningly powerful ... Their venom is considered to be among the most deadly in the world, containing toxins that attack the heart, nervous system ...

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 ...