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 had to start somewhere ...

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 ...

A family of fishes, called the cichlids, in Africa's Lake Malawi is helping researchers refine our understanding of how evolution works. A family of fishes, called the cichlids, in Africa's Lake ...

Colorful angelfish -- beauties of coral reef habitats -- have capitalized on a remarkable set of jaws to exploit niches inaccessible to other reef denizens, according to new research. Fish that eat ...

AMHERTS, Mass. – A family of fishes, called the cichlids, in Africa’s Lake Malawi is helping researchers at the University of Massachusetts Amherst to refine our understanding of how evolution works. ...