Dogs can be worried and pessimistic just like people, researchers report.
Quiz your fellow canine-lovers with these fun facts!
Forensic scientists are now using dogs' DNA to help stop dogfighting and abuse.
Animals have mastered blending in with their surroundings. Yet, why do some animals have lighter fur on their bellies than on their backs?
There is a popular myth that says you can multiply a dog's age by seven to find their "real age." Find out what is wrong with this method.
Do you own a pet? Chances are you're healthier than a friend who doesn't own a companion animal.
Almost all domestic and wild dogs show this behavior as they prepare to curl up and lie down, but there have been almost no experiments to find out why.
Why do dogs seem to gulp down any and all food put in front of them?
It might seem like an obvious question, but what really makes humans different from some of our four legged friends? Learn more on this Moment of Science.
Domesticated cats tend to show much less variety. A Siamese and a tabby are both shaped like, well, cats. While there are many different breeds of dogs.