A swarm of jellyfish just outmatched one of Europe’s most powerful nuclear plants, slipping through filters, liquefying, and ...

Jellyfish have an array of traits that differ between species such as a temporary anus. Read here to learn more about these ...

When deep-sea explorers from the Schmidt Ocean Institute went on expedition off the coast of Argentina, they were amazed to see an enormous creature floating through the gloom: a giant phantom ...

A newly discovered jellyfish galaxy, seen as it existed 8.5 billion years ago, is challenging assumptions about conditions in the early universe. Astrophysicists at the University of Waterloo have ide ...

Often mistaken for their more dangerous relatives, the delicate by-the-wind sailors are largely harmless and rely on wind to ...

Some jellyfish species carry venom strong enough to cause severe pain, heart complications, and nervous system disruption.

It's bigger than a double bed, weighs the same as a scrambler motorbike – and has one deadly sting... What are the largest jellyfish in the world? And how big can they grow? Stuart Blackman takes a ...

Box jellyfish get their name from their cube-shaped bell, with long tentacles trailing from each corner. When alive in the water, those tentacles can stretch several feet. "Unlike most jellyfish, they ...

Freshwater jellyfish were first reported in Oklahoma in 1930. Recorded locations include Elmer Thomas, Stroud Lake, Tenkiller, Grand Lake, Texoma, Wetumka, Broken Bow Reservoir, Robert S. Kerr, as ...