Discover the latest news, features and articles about the origin of the human species and what makes us different from our ...

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 ...

Human evolution spans millions of years, from early primates to modern Homo sapiens. Fossil evidence, genetic data, and climate shifts help explain how different human species emerged, migrated, and ...

Evidence is mounting that the evolution of our species is more convoluted than we imagined — more like a braided stream than a branching tree. When you purchase through links on our site, we may earn ...

One of the defining features of human evolution is the steady expansion of our brains. New findings suggest this growth may be partly linked to higher levels of estrogen before birth. Surprisingly, a ...

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 ...