From packs of wolves to prides of lions, scientists are uncovering what really makes group hunting work — and where cooperation starts to break down.

What's the value of one animal? When a wild animal is found badly injured, the most humane option is often euthanasia to prevent further suffering. That's what usually happens, and often for good ...

Wolves are magnificent carnivores who are also highly controversial in some circles. While much is known about many aspects of their behavior, in renowned wolf expert Dr. L. David Mech's new highly ...