Our pets may not be able to communicate with words, but their actions can give us clues on how they feel. So what does it mean if your dog chases its tail? While some reasons are more benign than ...

Learn more about the gene linked to the evolutionary loss of human tails, and how, in rare cases, some people are still born with them.

Our pets may not be able to communicate with words, but their actions can give us clues on how they feel. So what does it mean if your dog chases its tail? While some reasons are more benign than ...