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, ...

Bears look like textbook mammals, but hidden in their evolutionary history are two dramatic departures from the standard blueprint of growth and adaptation. For the first time, scientists have ...

Scientists in Ethiopia unearthed pieces of 2.65 million-year-old fossilized teeth belonging to two members of a newly discovered Homo species that could challenge previously accepted understandings of ...

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, ...

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 ...

"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 ...

A timeless question has always fascinated scientists who study the past. Which comes first, the new behavior or the physical tool that perfects it? Do you change how you live and then evolve the body ...

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 ...

Fossils unearthed in Ethiopia are reshaping our view of human evolution. Instead of a straight march from ape-like ancestors to modern humans, researchers now see a tangled, branching tree with ...

Experts have uncovered the earliest known example of a fish with extra teeth deep inside its mouth—a 310-million-year-old fossilized ray-finned fish that evolved a unique way of devouring prey.