These days, all fish have teeth. The shapes of their teeth vary according to diet, ranging from the little pegs of goldfish ...

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

Scientists in Australia have unearthed beautifully preserved fossilized hearts and other internal organs of ancient armored fish in a discovery that provides insight into the evolution of the bodies ...

(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 ...

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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