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

A new analysis supports the previously overlooked "brain lag" hypothesis—the idea that, in some primate lineages, the evolution of larger body size preceded the evolution of larger brain size—while ...

A surprising new study suggests the earliest primates didn't originate in tropical forests but in cold, dry parts of North America. Some may have even survived seasonal Arctic conditions by slowing ...

Supraordinal relationships of primates and their time of origin -- A molecular classification for the living orders of placental mammals and the phylogenetic placement of primates / MS Springer, WJ ...

For decades, we’ve thought that childbirth is uniquely challenging for humans, but it turns out that many other primates find ...

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 ...

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 ...