It gives new meaning to dog years. Various types of sled dogs have been used by humans across the Arctic for almost 10,000 years, but new research reveals one particular type to be the oldest ...

One human year is equal to seven years for a dog. But new scientific research has an updated scientific equation to determine ...

Can dogs communicate a range of emotions to humans through facial expressions? Researchers say yes. A new study discovered a key factor that separates wolves from dogs involving two specialized facial ...

Mitral regurgitation is the most prevalent valvular heart disease in humans. It's also common among dogs, especially older ...