Ancient Taimyr Wolf Rib Bone (IMAGE) Cell Press Caption DNA from this small piece of a rib bone from an ancient Taimyr wolf suggests that dogs may have been domesticated 27,000 years ago. Credit Love Dalén Usage Restrictions Credit Required. License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.