This time of year, the sound of a wolf howl piercing the night can really send shivers up your spine. But that call of the wild isn’t meant to scare you; it’s actually a message to other wolves.

In movies and literature, a wolf’s haunting howl can signify danger or untamed nature. In real life, researchers in Yellowstone National Park are analyzing those howls with cutting-edge AI technology ...

With its enchanting eyes, powerful jaws, acute senses and haunting howls, the gray wolf (Canis lupus) — the largest member of the dog family — is a wilderness icon. Once the most widespread mammal on ...