Cats are so often seen as being offhand and disinterested. But there are quite a few affectionate cat breeds that can cuddle ...

The way Sahaleanthropus tchadensis moved has long been debated. The discovery of a small bump on the front of the thigh bone ...

A seven-million-year-old fossil may mark the moment our ancestors first stood up and walked.

Cuttlefish can change colour in 200 milliseconds, as fast as a human can blink. Cuttlefish have W-shaped pupils, which are thought to help control the intensity of light entering the eye. Cuttlefish ...