Dogs have a powerful sense of smell, there's no doubt about that. While us humans stumble through life guided mostly by our eyes, our canine companions tend to walk through life with their noses, ...

In recent years, a growing body of research has affirmed that dogs can smell when humans are stressed. A new study shows how it affects them. As many dog owners can attest, our stress is contagious.

Dogs can sniff out whether a human is stressed or relaxed, new research suggests, and that sensory feedback appears to influence canine emotions and choices. The dog doesn't even have to know the ...