New tech is helping researchers better understand Yellowstone's apex predators.

Wolves howl for many of the same reasons that other species use vocalizations: to warn others about predators, to defend their territories, and to find mates. There are a number of factors that can ...

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Dogs howl to loud noises like sirens because wolves used howling to communicate with each other. Howling can also be a sign that your dog is lonely or is trying to alert you to danger. Your dog may ...