Cesar Millan tackles the dangerous "jumping and lunging" behavior of Gus, a high-energy dog whose "physical greetings" have become unmanageable.

Expert dog trainers Nicole Ellis and Michael Hill share essential safety tips for encountering aggressive dogs. Learn how to recognize subtle body language warning signs and what to do if a loose dog ...

A prolonged and unblinking stare is a known indicator of stress and potential aggression in dogs. In play, dogs break eye ...

Scientists studying 1,300 golden retrievers have uncovered genetic clues explaining why some dogs are more anxious, energetic, or aggressive than others. Remarkably, several of the same genes linked ...