1. What causes tear stains under a dog’s eyes? Excessive tearing can occur as a result of irritation to your dog’s eyes or because your dog’s tears are not draining properly. Just as your ...

New research from Japanese scientists published this week in the journal Current Biology suggests a dog's eyes may well up with tears of happiness when reunited with their owner after a period of ...

You know when your dog is happy to see you.Now, new research from Japanese scientists suggests that a dog's eyes may well up with tears of happiness when reunited with their owner after a period ...

Tiny passages called tear ducts run down the sides of your nose and drain tears from your eyes. These tubes can get blocked in any part of the duct. It can happen for different reasons ...