The story of bringing dire wolves back from extinction begins not in a laboratory, but in ancient deposits where their remains lay buried for millennia. The genetic material that would eventually give ...

Get any of our free daily email newsletters — news headlines, opinion, e-edition, obituaries and more. Recently, the Chronicle ran a "fairy-tale" story concerning the progress of the reintroduction of ...

Epicyon haydeni, or Hayden’s bone-crushing dog, roamed North America between 12 and 6 million years ago during the middle to late Miocene epoch. Its fossils have been discovered in at least 12 ...

New research led by scientists at the American Museum of Natural History and the Smithsonian's National Museum of Natural History reveals that the majority of dogs living today have low but detectable ...

A look at how wolf policy shifted from eradication to protection, and why wolf conflict is rising again across the West. The ...