Reviewed by Dr. Becker

We're well into the summer season. But is your four-legged traveling companion really ready? What to know about traveling with your dog, including hotel stays, outdoor restaurants, and hiking, so you'll never accidentally wear out your welcome.

Because dogs and humans share more than 80% genetic similarity, researchers believe dogs get headaches, even migraines, like humans. Of course they can't tell you their head hurts, but if you watch carefully, these 10 signs may signal a clue.

These tallest, intimidating dogs are the size of a small pony. They're distinctly nonaggressive unless provoked, but will quickly defend their humans due to their strong, tight-knit bond. Here's what to know before choosing one as your next pet.

Dogs drool by nature but some can act like they have stuck-open spigots in their mouths. Be prepared and know what kinds of situations can make it worse (if you don't already). Plus, abnormal drooling that may be a red flag for a health problem.

When you combine two breeds, you expect to get the best traits of both, but that's not guaranteed. There can be a wide variety in personality and appearance, even in those pups born from the same parents. Here's what they got when they crossed two of the most well-loved purebred dogs.

Their conclusions were completely mystifying. Especially given the long duration of the study. And their solution is even crazier. It ignores so much science and common sense it's unreal. Be wary and watch out for their methods to con you from your hard-earned cash.