A fossil that would fit on a baby’s fingertip has revealed fresh clues about the evolution of the earliest-known relative of ...

When you learned about the history of human evolution in school, there's a good chance you were shown one all-too-familiar image. That picture probably showed a conga line of human-like creatures, ...

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, ...

Researchers have shed new light on the features that enable tree-dwelling mammals to move effectively through their ...

Introduction / Christina J. Campbell -- Morphology and evolution of the spider monkey, genus Ateles / Alfred L. Rosenberger ... [et al.] -- The taxonomic status of spider monkeys in the twenty-first ...

A monkey descending a tree trunk often keeps its head up, moving almost like a cautious climber backing down a ladder.