A new study documents the complex interactions between cougars and gray wolves in Yellowstone National Park and finds their ...

A remarkable discovery of ancient wolf remains on a remote island in the Baltic Sea has challenged long-held assumptions about prehistoric human-animal relationships. Published in the Proceedings of ...

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

Many animals have been observed using tools. For example, chimps tear leaves off of branches and stick them into holes to pull out termites, and wild dingoes have been observed moving objects to stand ...