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

Add Yahoo as a preferred source to see more of our stories on Google. Delaware’s official wildlife animal is not a bird from its coastal marshes or a creature from the Atlantic surf. Instead, it is a ...

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

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

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

Delaware’s official wildlife animal is not a bird from its coastal marshes or a creature from the Atlantic surf. Instead, it is a small, tree-climbing fox that moves easily between farm fields and ...