If your dog wags their tail to the right, it can mean something completely different than when they wag it to the left.

You may not have Lassie as a pet, but on a daily basis it can feel like our animal companions are trying to tell us something, whether it's your dog howling by the door or your cat glaring at you.

Much like a facial expression, a dog wagging its tail can be a clue to a wide range of emotions. Though the popular imagination places dog-wagging squarely in the camp of happy emotions, the behavior ...

When a dog wags its tail, it automatically means that they’re happy, right? Well, while there is truth to that, there’s actually a lot more to it—and sometimes, it can actually mean that they’re not ...

Whenever I come home to my 14-year-old Shih Tzu, as most dogs do, she greets me by pawing excitedly at my legs and wagging her little tail vigorously enough to cause a tornado. But I've noticed she ...

Why would a dog wag its tail while sleeping? Discover whether your dog is happy, content, cold, or having a nightmare or seizure.

Science is always providing new information that allows us to interpret the behaviors of dogs, or to reinterpret behaviors that we thought we understood well—such as the meaning of a dog's wagging ...