Three tiny Purgatorius teeth found in Colorado are helping scientists trace how early primates evolved and spread across North America.

The enamel that forms the outer layer of our teeth might seem like an unlikely place to find clues about evolution. But it tells us more than you’d think about the relationships between our fossil ...

On Valentine’s Day in 2018, a team of scientists walked across a flat expanse in the badlands of northeastern Ethiopia, scanning the ground for fossils. An eagle-eyed field assistant, Omar Abdulla, ...

"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." “This new research shows that the image many of us have in our minds of an ape to a Neanderthal to a ...

Introduction : Why teeth? -- I. Development. Microscopes, cells, and biological rhythms -- The big picture : birth, death, and everything in between -- Things that can go wrong : stress, pathology, ...