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

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

“A 62-million-year-old skeleton of this quality and completeness offers novel insights into mixodectids, including a much clearer picture of their evolutionary relationships,” study co-author and Yale ...

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

A new study led by Michigan State University researcher Peter Williams sheds light on the profound influence of deep geographic isolation on the evolution of mammals. Published in Nature ...

Africa has a huge diversity of large mammals, but their evolutionary relationships and movement across the continent over time often remain a mystery. A new scientific study sheds light on ...

Depending upon how you do the counting, there are around 9 million species on Earth, from the simplest single-celled organisms to humans. It’s reassuring to imagine that complex bodies and brains like ...

Why do you have five fingers? Why not ten, or twenty, or one? Why do so many animals have five fingers? Five seems to be the perfect number for most hands. Oddly, the first vertebrates to come onto ...