A large comparative study of primate teeth shows that grooves once linked to ancient human tooth-picking can form naturally, while some common modern dental problems appear uniquely human.

Our species, Homo sapiens, has been evolving for more than 300,000 years, but the story of human origins starts much earlier.

The human body is a machine whose many parts – from the microscopic details of our cells to our limbs, eyes, liver and brain – have been assembled in fits and starts over the four billion years of our ...

This has been quite the wild year in human evolution stories. Our relatives, living and extinct, got a lot of attention—from new developments in ape cognition to an expanded perspective of a ...

A new study from Northwestern University is reshaping how scientists think about brain evolution. The research suggests that ...

Scientists find genetic mutation, millions of years ago. Oct. 12, 2011 — -- About three million years ago human predecessors embarked on a new course that would forever alter the evolution of our ...