Science

4 studies reveal how long dogs have been man’s best friend

by Robin Bea
Updated: 
Originally Published: 

Anita Kot/Moment/Getty Images

Dogs have long been known as man’s best friend, but it’s not clear exactly when the relationship began.

Nastasic/DigitalVision Vectors/Getty Images

Recent research suggests dogs and humans may have a longer history than previously thought.

Here are 4 compelling discoveries:

Tap