The earliest sign of pregnancy in a dog isn't the most accurate. The first thing we see when a dog is pregnant, even before any physical signs, is a change in behavior and appetite. There's a lot of ...

Dogs are often hired to perform seemingly impossible tasks because their noses are so powerful. At airports, they smell luggage for narcotics and explosives. At crime scenes, they can sniff out human ...

We don't have scientific proof that pets sense their owners' pregnancies, but plenty of experts – and pet people themselves – have noticed examples of it. "My cat basically ignores me all the time.