California's jellyfish season begins in late spring, peaks in the summer, and continues until early fall.

Freshwater jellyfish have quietly spread through lakes and reservoirs around the world, yet most people still mistake them ...

Find out why the notorious box jellyfish deserves its loathsome reputation. The animal's toxins are among the strongest found in nature.

Dr. Ainara Ballesteros is a Juan de la Cierva postdoctoral researcher at the Institute of Environment and Marine Science ...

Palau’s Jellyfish Lake is home to a rare, endangered species of non-stinging jellyfish. The journey to get there is long but ...

Finding highly venomous box jellyfish that are almost invisible in water is not an easy task—but researching them is crucial ...