The organisms that merged are comb jellies, translucent invertebrates that resemble jellyfish but belong to a different group of marine animals called ctenophores. They grow to about 4 inches long ...

We all lean forward, jostling each other to see. There. For a moment, a ghostly image of the ctenophore appears in the dish. An image made of bluish light that swirls and gradually dissipates ...

For over a century, biologists have puzzled over the origins of animals that first emerged in ancient oceans more than 600 ...

Scientists have discovered a marine animal that can reverse its aging process. The comb jelly, a jellyfish-like creature, can ...

Although the bloody jelly resembles a jellyfish, it is, in fact, a ctenophore, or comb jelly. These organisms differ from jellyfish because they lack nematocysts, the characteristic stinging cells ...