A dog's cold nose could be used for heat seeking. ... you may have noticed that its rhinarium—the furless patch of skin that surrounds the nostrils—is wet and cool.

It is well known that dogs boast an incredible sense of smell, but new research has uncovered another way our four-legged friends use their famous noses to find their way around, detecting radiant ...

Y: Hey, Don! I didn’t expect to see you at the park. Taking a walk? D: Hey, Yaël. Yes—I thought Fido and I could use the fresh air. Oh, look! He’s so happy to see you that he’s wagging ...

A recent study suggests that dog’s noses can actually sense heat. D: Uh, that doesn’t sound very surprising. Most mammals have furless, moist skin around their nostrils, called the rhinarium.

Dogs are superb sniffers. Their noses hold between 200 million and 1 billion odor molecule sensors, compared with the 5 million receptors estimated to dwell in a human nose.

Meet the fast and the furless new members of the American Kennel Club: the greyhound-like sloughi and the American hairless terrier. The two new additions, which bring the AKC's total breed list ...