For more than 500 million years – well before dinosaurs ever thought of existing – jellyfish have floated through the world’s oceans. Today, 2,000 species of jellyfish have been discovered around the ...

Marine biologist Joan J. Soto-Angel realized a piece of wisdom when one day he noticed that an adult comb jelly had suddenly disappeared from his laboratory tank, clearly perplexed by its sudden ...

In the world of phylogenetics, there’s team sponge and team comb jelly. Which creature roots the animal tree of life — the simple sponge or the more complex comb jelly — has stirred fierce debate ...