Complex marine creatures called comb jellies should replace brainless, gutless, simple sponges at the base of the evolutionary animal tree of life, a new report asserts. Scientists have long assumed ...

Besides their bodies, comb jellies, scientifically known as Mnemiopsis leidyi, also fuse their nervous and digestive systems, research found. Late one summer night in 2023, Kei Jokura entered the ...

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Scientists believe they may have identified the first animal to have roamed the Earth about 700 million years ago, a new study published in Nature revealed. Researchers determined that the first ...

Comb jellies are these beautiful, otherworldly creatures that sparkle gently in the sea. And now, if a study in the journal Science and another one in the journal Nature hold up, they may not be so ...

The theory of evolution shows that all of life stems from a single root and that we are related, more or less distantly, to every other living thing on Earth. Our closest ancestors, as Charles Darwin ...

For over a hundred years scientists have assumed that sponges (yep, the animal that inspired your kitchen sponge), are our most distant animal relative. And why not? They sit on the sea floor, ...

Late one summer night in 2023, Kei Jokura entered the Marine Biological Laboratory in Woods Hole, Massachusetts, excitedly carrying a blob in a beaker. The biologist had just come from the first floor ...

Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. Late one summer ...