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 ...

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 ...

Scientists have traced kissing back to early primates, suggesting it began long before humans evolved. Their analysis points to great apes and even Neanderthals sharing forms of kissing millions of ...

In a recent review published in the journal Nature Reviews Earth & Environment, researchers discussed the role of climatic shifts and vegetation changes in driving the evolution within the subfamily ...