Dogs have a special chemistry with humans that goes back many tens of thousands of years. Researchers investigated this special evolutionary relationship from a number of different angles. Their ...

More people feel a deep bond with pets, sometimes stronger than with humans. Research and cultural trends explain why this occurs and where the line is drawn.

A long-shared history links humans and dogs, a relationship that began more than 15,000 years ago when early wolves sought food and shelter near human settlements and gradually adapted to life ...