A monkey descending a tree trunk often keeps its head up, moving almost like a cautious climber backing down a ladder. Squirrels and many other mammals, by contrast, tend to go headfirst.

Three tiny Purgatorius teeth found in Colorado are helping scientists trace how early primates evolved and spread across North America.

In primates, visual information is processed hierarchically, moving from early brain regions that respond to low-level features to later-stage areas that recognize complex features and objects. In the ...

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, ...

In a study of chimpanzee and monkey anatomy, primate arms provide hints about how our ancestors got to the ground in one piece. By Miriam Fauzia Millions of years ago, a simian ancestor of humanity ...

The rich genetic diversity and evolutionary history of primates – the group that includes monkeys, apes, lemurs and humans ourselves - has been revealed in full for the first time in a new research ...

WASHINGTON — One of the earliest primates lived in trees and relied more on smell than vision, a new study indicates. A tiny cousin of the earliest ancestors of humans lived 54 million years ago in ...

WASHINGTON (AP) -- One of the earliest primates lived in trees and relied more on smell than vision, a new study indicates. A tiny cousin of the earliest ancestors of humans lived 54 million years ago ...

The note cards and images document trees and primates observed by Suzanne Ripley during 1966 - 1971. Images are organized by plant and primate, then by binomial. Each binomial includes a series of ...