When humans still lived primarily in hunter-gatherer societies, dogs were among the first domesticated animals. And as the millennia passed, the relationship between man and dog has remained ...

"My working hypothesis," says Greger Larson, an expert on genetics and domestication at Durham University in the United Kingdom, "is that with most of the early animals—dogs first, then pigs ...

Domesticated animals were likely kept for practical reasons, such as food sources, for work or for protection. It may feel natural to assume that the first species to be domesticated were working ...