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 ...

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 ...

Yes, humans evolved from apes. But that's not the most accurate way to describe our place on the tree of life, and it certainly doesn't explain why apes still exist. The question stems from a common ...