(CNN)Do you ever wonder whether Fido really understands what you're saying? He might be catching on to more than you think -- and your intonation when saying certain words is just as important to him ...

Dogs can be trained to do a multitude of tasks. Most can learn to sit, lie and stay; others can guide the blind, rescue the injured and maybe even detect cancer. But the hardest thing of all might be ...

Man’s best friend may have more in common with his or her human owners than previously thought. For the past two years, neuroscientist Gregory Berns of Emory University has been conducting a series of ...

This post has been corrected. See the note at the bottom for details. MRI machines have all kinds of helpful uses like telling us what’s wrong with the tissues deep inside our bodies and helping ...

Dogs are adorable - inside and out. Not only are they a joy to look at, their kind nature also means they are likely to be the goodest boys and girls you will ever have the pleasure of meeting. So it ...