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.

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 ...

Animals don't betray you, talk behind your back, or change their mind about how they feel. The consistency of an animal's ...

Dogs have spent thousands of years evolving alongside us—and thanks to natural selection and selective breeding, they’ve become pros at reading our emotions. A slight change in our tone, a raised ...