For decades, one idea has shaped discussions about human evolution and birth: humans endure unusually difficult childbirth ...

Scientists have long thought humans have a uniquely difficult birth compared with other primates. And it's true that, from an evolutionary perspective, we face an obstetrical dilemma. As we evolved to ...

For nearly 30 years, a landmark study shaped how scientists understood the relationship between brain and body size in ...

This video traces the long evolutionary path from the first primates about 85 million years ago to modern Homo sapiens.

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 ...

The story of primates is a tale of incredible variety and ancient roots, told through the lens of science, DNA, and time itself. These creatures, ranging from massive gorillas to tiny mouse lemurs, ...

1. Introduction / Tracy L. Kivell, Pierre Lemelin, Brian G. Richmond, and Daniel Schmitt -- 2. On primitiveness, prehensility, and opposability of the primate hand : the contributions of Frederic Wood ...

A new study challenges the long-held idea that early primates began in warm tropical forests. Fossil and climate evidence suggests some early primates may have lived in cold, dry North American ...

Primate behavioral diversity : The behavioral ecology of Strepsirrhines and Tarsiers / Peter M. Kappeler ; The behavior, ecology, and social evolution of new world monkeys / Eduardo Fernandez-Duque, ...

Primate evolution claim challenged An analysis of 37 million year old primate fossils is fueling a debate over the existence of an evolutionary link between lemur-like and monkey-like primates -- a ...

Thanks to our large brains, humans and non-human primates are smarter than most mammals. But why do some species develop large brains in the first place? The leading hypothesis for how primates ...