It’s long been widely believed that dogs can detect extreme emotions by smell. Now scientists at Queen’s University Belfast in the U.K. have proven that a dog’s nose knows. Acute stress changes the ...

Dogs have a truly astonishing sense of smell that goes far beyond anything we could imagine. From picking up the scent of a potential mate miles away to uncovering an explosive, a dog's nose is always ...

Q: I'm training my dog Roger for search and rescue, which requires him to use his nose. I noticed while I was taking a particular medication that my sense of smell worsened. Can the same thing happen ...