Choosing a new dog for your family is an important decision. After all, it will become a new member of the family. So, the question is, how do you choose a tremendous medium-sized family dog?

The theory, outlined in the journal Nature Ecology & Evolution, explains why lean, medium-sized animals are generally built for speed. It applies to animals from fruit flies to blue whales and ...

A woman has been injured after a dog bit her knee while she was walking. Police have appealed for information after the ...

Native to Tasmania, Australia and New Guinea, it hunted small to medium-sized animals and led a solitary, elusive life. The Tasmanian tiger was driven to extinction in the 20th century due to ...