While many studies have looked at possible evolutionary links between men's strength and sexual behavior, a Washington State University study included data on women with a surprising result. Women, as ...

As early humans spread from lush African forests into grasslands, their need for ready sources of energy led them to develop a taste for grassy plants, especially grains and the starchy plant tissue ...

Two major fossil discoveries are prompting scientists to reconsider key moments in human evolution. A 7.2-million-year-old Graecopithecus femur from Bulgaria suggests bipedalism may have emerged ...