All modern-day pooches, from beefy Newfoundlands to scrawny Salukis, are descended from an ancient population of domesticated gray wolves. Despite the 20,000 or so years that have passed since, a new ...

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 ...

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 ...

“You’re hearing the first howl of a dire wolf in over 10,000 years. Meet Romulus and Remus—the world’s first de-extinct animals, born on October 1, 2024.” [Colossal Biosciences] Earlier this week, ...

The Riley Creek pack had almost doubled its acreage of boreal forest, high mountains, graveled riverbeds and tundra hillside.