26,000 years ago, a child and a dog walked together through Chauvet Cave in France. Their footprints, preserved in wet clay, are the oldest evidence of humans and dogs moving side by side. This discovery suggests that the bond between humans and canines, whether for hunting, protection, or companionship began far earlier than once believed, stretching all the way back to the Paleolithic era. | Ancient History Revived

A prehistoric dog was preserved for 18,000 years in icy Siberia. | USA TODAY Video