Primitive animals called comb jellies can fuse their bodies and nervous systems together. Comb jellies split from the ancestors of all other living animals about 700 million years ago and have ...

Shimmering sea creatures called comb jellies have an astonishing ability: if injured, two can merge into one, without showing the kind of tissue rejection reaction seen in other animals. What’s more, ...

Forbes contributors publish independent expert analyses and insights. I write about biodiversity and the hidden quirks of the natural world. During a dive off the coast of Southern California in 1979, ...

“While maintaining a population of M. leidyi in a seawater tank, we noticed an atypically large individual with two aboral ends [referring to the area farthest from the mouth] and two apical organs ...