Australopithecus afarensis (left), Homo rudolfensis (center), and Homo ergaster (right) evolved different dental structures to suit their shifting diets. The findings come from a team led by ...

Researchers working in northeastern Ethiopia have discovered remains of a previously unknown branch of humanity. The fossils, which include teeth that date to between 2.8 million and 2.6 million years ...

Teeth are essential for helping people break down the food they eat and are protected by enamel, which helps them withstand the large amount of stress they experience as people chew away. Unlike other ...

For nearly a century, scientists have been puzzling over fossils from a strange and robust-looking distant relative of early humans: Paranthropus robustus. It walked upright, and was built for heavy ...