The timing and causes of the domestication of dogs are both uncertain. Genetic evidence suggests that dogs split from their wolf ancestors between 27,000 and 40,000 years ago. The oldest known dog burial is from 14,200 years ago, suggesting dogs were firmly installed as pets by then.

When did dogs first appear on Earth?

Now a large DNA study is lining up with the fossils, suggesting dogs originated in Europe some 19,000 to 32,000 years ago. Experts praised the new work but said it won't end the debate. Scientists generally agree that dogs emerged from wolves to become the first domesticated animal.

What was the first breed of dog?

The world's oldest known breed of domesticated dog is the saluki, believed to have emerged in 329 BC. Saluki dogs were revered in ancient Egypt, being kept as royal pets and being mummified after death.