Is your dog a pessimist or an optimist? It could explain his behavior, researchers say

"If your dog is misbehaving, it might be because he's a food-dish-half-empty kind of canine. That's the word from a study published in Current Biology this week."

Click here for more on analyzing your dog's personality.

Puppies: Tips For Getting A New Dog, Even An Older Dog

"Thinking about getting a new dog or puppy? Generally it’s better to plan an adoption from a shelter or the purchase of a pure bred dog. But, you never know when you will happen upon a stray that tugs on your heart strings."

Click here for more on introducing the new pet into the household.