This video traces the long evolutionary path from the first primates about 85 million years ago to modern Homo sapiens. Kayleigh moves through primate suborders, New World and Old World monkeys, apes, ...

For decades, one idea has shaped discussions about human evolution and birth: humans endure unusually difficult childbirth because large-brained babies must pass through a relatively narrow pelvis ...

Scientists have long thought humans have a uniquely difficult birth compared with other primates. And it's true that, from an ...

Saliva is a bodily fluid most of us take for granted despite the significant roles it plays: aiding in digestion, maintaining strong teeth and defending against oral disease. However, the evolution of ...

Add Yahoo as a preferred source to see more of our stories on Google. Oxford study links human right-handedness to bipedalism and larger brains across primate evolution. (CREDIT: Shutterstock) Roughly ...