Ancient fossils from South China reveal the earliest bony fishes and shed new light on how jaws, teeth, and key vertebrate ...

(CNN) — Hundreds of millions of years ago, jawless fishes swam Earth’s seas, their brains protected on the outside by armored skin, and on the inside by plates made of cartilage. Scientists are still ...

These days, all fish have teeth. The shapes of their teeth vary according to diet, ranging from the little pegs of goldfish to the formidable, pointed teeth of sharks. But fish evolved from toothless ...

This bizarre-looking fish may seem otherworldly, but every part of its design solves a real problem: how to see, hunt and ...

Our knowledge about the origins of teeth pertains to that of the entire body, a natural occurrence made up of tissues. But did you know that human teeth evolved from the "body armour" of an extinct ...

Did you know there are more than 500 species of sharks out there in the world? These fascinating underwater creatures have been swimming in our seas for about 455 million years, and they can travel ...

Paleontologists unearthed fish teeth that are 14 million years older than any other teeth found from any species – and the discovery could rewrite our understanding of early evolution. Four studies ...

Bacteria are in, around and all over us. They thrive in almost every corner of the planet, from deep-sea hydrothermal vents to high up in the clouds, to the crevices of your ears, mouth, nose and gut.

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