When I was younger, so much younger than today, we had a tortoise as a pet. In tribute to the great mathematician of ancient Greece, we named him Archimedes, Archie for short. He was a charmer, ...

The discovery, in China, of the oldest known turtle fossil has turned palaeontologists' understanding of the species' origin and ecology on its head. The fossil of Odontochelys semitestacea was found ...