A new study explains how climbing down trees helped shape upright posture in early primates and changed the course of evolution.

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

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

A groundbreaking study has traced the 66-million-year evolutionary history of primates and overturned conventional thought that our ancestors originally inhabited warm tropical forests. Using advanced ...

Most people were taught a simple image: monkeys slowly turning into humans. That’s not how evolution works. Humans didn’t evolve from modern monkeys — we share a common ancestor with them, and if you ...

Kay, who has collected fossils of monkeys in South America since 1981, has worked with others in peripheral Amazon areas such as Chile and Argentina. By studying fossils from there and piecing ...

Cover -- Contents -- List of Illustrations -- Preface -- CHAPTER 1. What Is a New World Monkey? -- What is a monkey? -- What is a platyrrhine? -- Platyrrhines and catarrhines -- Platyrrhine taxonomy - ...

The task is simple: walk or die.