On the vast expanse of the Siberian steppe 14,000 years ago, a 2-month-old wolf pup gobbled down some woolly rhinoceros flesh. Moments later, its underground den collapsed, killing the pup and its ...

The dire wolves brought back from extinction earlier this year are on track with their milestones and have surpassed their cousin wolves in size in the process. On Wednesday, Sept. 3, Rob Keyes of ...