A new study suggests dogs began to diversify about 11,000 years earlier than we thought. Plus, a long-running experiment to ...

The “Tool-Using” Wolf Seeing a gray wolf haul a crab trap out of the ocean looks like a scene from a science documentary that forgot its own rules. In a short video from Canada’s Pacific coast, a ...

In April, 1996, newly-graduated biologist Patricia Wyman was mauled to death at her “dream job,” tending captive wolves at ...

Such evidence suggests early heartworms evolved alongside canines millions of years ago. Mosquitoes existed long before ...

The red wolf ( Canis rufus) is a medium-sized canid that stands about 26 inches (66 centimeters) at the shoulder and measures ...

In the radioactive forests around Chernobyl, gray wolves have done what humans cannot: they have adapted to chronic radiation ...

Zooarchaeologist Stella Nikolova examined dog remains from across Bulgaria’s Iron Age (roughly 5th–1st centuries BC). At Pistiros, she reported that nearly 20% of the examined dog bones had cut marks ...

Dogs with short or absent tails, like Pugs (pictured) and French Bulldogs, are twice as likely to be involved in an ...

For the past several hundred years, eastern wolves and coyotes have been interbreeding more frequently, and now their hybrids ...

For decades a debate has raged over the nature of the canids colonizing the eastern United States. Are they the spawn of wolves and coyotes; of dogs, wolves, and coyotes; of dogs and coyotes; or ...

Learn how social connections may influence extinction risk in some wildlife species.