If you're reading this sentence, you might have a fish to thank. Fish were the first animals to evolve jaws. They use their jaws primarily to eat, but also for defense, as tools—such as to burrow or ...

A fish fossil has been found in the UK featuring a 'tongue bite'. This is the first time it has been seen in such an ancient ...

Sept 28 (Reuters) - For human beings and 99.8% of our fellow vertebrates, having jaws is an integral part of life. Just try eating a taco without them. But, like everything else in our bodies, jaws ...

Around 500 million years ago a strange creature with bulging eyes, a rudderlike tail and 30 pairs of spiny limbs extending from its cigar-sized body swam through Earth’s seas. Most of its legs ...

CHICAGO — Every time you bend your knee, rotate your shoulder, or nod your head, you’re using a remarkable piece of ...

Whole skeleton of Dipterus, an extinct lungfish from the middle Devonian period. Specimen (UMMP 16140) from the University of Michigan Museum of Paleontology. ANN ARBOR—If you're reading this sentence ...