In "The Descent of Man," he described the appendix as a vestige: a leftover from plant-eating ancestors with larger digestive organs. For more than a century, that interpretation shaped both textbook ...

When closely related species mate, their offspring sometimes survive but cannot reproduce. This pattern often affects males ...

The story of life’s beginnings gets stranger when you look closely at viruses. These tiny entities seem to sit at the edge of ...

Research findings are available online in the journal Current Biology 00004-7). The original story “ Researchers discover a ...

Finger length may reveal more than you think about human evolution. Boys with higher prenatal estrogen exposure showed larger head sizes at birth, pointing to a possible hormonal boost behind the ...

If we’re really going to the dogs, that may not be such a bad thing. Dr. Brian Hare, a professor of evolutionary anthropology and psychology at Duke University, delighted audiences with what we can ...