Chimpanzees are our closest living relatives, descending from the same species as humans more than 6 million years ago.

A study into tooth wear in a group of wild Japanese macaques has significant implications for the study of human evolution.

Everyone experiences smells in their own unique way – the same scent can be pleasant, too intense or even undetectable to different noses.

Computer models, fossil records and information from living mammals revealed that most of the surviving mammals did not rely on trees.