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 ...

A new study shows cultural evolution helped humans expand across Earth far faster than genetic change alone could achieve.

Paranthropus boisei, Paranthropus robustus, and Paranthropus aethiopicus are examined as a distinct but debated branch of ...

The story of how us humans—and other mammals—got our noses may have just gotten more complicated. This is the conclusion of a new study by researchers from Japan who have studied how the face develops ...

Fifty years ago, a remarkable fossil was unearthed in the Afar Rift Valley of Ethiopia, forever transforming our understanding of human evolution. Uncovered by a young paleoanthropologist, Donald ...

The evolution of the human species is marked by an increase in brain size. Now new research suggests that could be partly dependent on increases in prenatal estrogen—revealed by looking at the length ...

A new paper in Molecular Biology and Evolution, published by Oxford University Press, reports that Italian bears living in areas with many villages evolved and became smaller and less aggressive.