A stock image of two dogs with their noses touching. An image of two puppies meeting each other for the first time has gone viral on Reddit. iStock/Getty Images Plus ...

Kayla Dear / EyeEm // Getty Images. A dog's nose may be able to pick up heat signatures through thermal radiation. The researchers published the results of their experiments in the journal ...

Getty Images. You might never look at your dog’s nose the same way again. Scientists already know the portion of a canine’s brain that detects smell is 40 times larger than that of a human’s.