A few teeth, smaller than a grain of rice, are changing the map of your earliest primate relatives. They come from a creature called Purgatorius, a tiny tree-dwelling mammal that lived about 66 ...

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

Researchers have unearthed the tiny, fossilized teeth of the earliest-known relative of primates, pushing its range further south than ever before and giving us new insights into how it spread through ...

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 ...

Tiny, tooth-sized fossils have just reshaped the story of our deepest ancestry. Paleontologists have discovered the southernmost remains ever found of Purgatorius—the earliest-known relative of all ...

Researchers have shed new light on the features that enable tree-dwelling mammals to move effectively through their environments, providing insights into the evolution of the distinct upright postures ...

Learn about the different ways mammals descended from trees and what this can tell us about early primate evolution.

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 ...

Primates are a group of mammals that includes humans and our close relatives, such as apes, monkeys and lemurs. Monkeys, such as capuchins and macaques; prosimians, like lemurs and tarsiers; lesser ...

This photograph shows two species from the study by Toussaint et al. – a raccoon (Procyon lotor) and mongoose lemur (Eulemur mongoz) – climbing on vertical supports. Researchers have shed new light on ...