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 4 billion years of our ...

In 1758, Swedish biologist Carl Linnaeus gave humans a scientific name: Homo sapiens, which means "wise human" in Latin. Although Linnaeus grouped humans with other apes, it was English biologist ...

Human evolution is explained through branching lineages rather than a simple linear progression. Fossils, genetics, and archaeology together reveal how multiple human species emerged, interacted, and ...

Researchers at the University of Maine are theorizing that human beings may be in the midst of a major evolutionary shift—driven not by genes, but by culture. "Human evolution seems to be changing ...

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