Dog Days

Domestication shaped wolves into dogs and transformed both their behavior and their anatomy. New discoveries show how dogs produce a very specific eyebrow movement more often than wolves do. But how and why did “puppy dog eyes” develop in domesticated dogs?

A dog's sense of smell can do amazing things. Dogs can help humans sniff out all kinds of things that improve our lives, explosives, missing persons, illegal drugs. Now the latest research is revealing that dogs can detect disease, even cancer.

How do animals experience the world around them? How does what they see impact their place in nature and how has their place in nature impacted what they see? We asked Professor Thomas Cronin to show us how the most interesting and prolific eyes in the animal kingdom work and how they came to be.

Equipped with a cutting-edge infrared drone, Doug Thron heads into disaster zones to save the cats and dogs that have been left behind.

Wildlife tracker Tyler Johnerson explores the deadly rivalry that's developed between native mountain lions and reintroduced wolves in Yellowstone National Park.

As catastrophic numbers of stray dogs roam the streets of Houston, Texas, twin sisters Tena and Tama Lundquist take matters into their own hands in order to save the animals they love.

This series is loaded with mind-blowing factoids and stats, entertaining expert interviews, and infographics injected with cheeky humor.

World-renowned dog behaviorist Cesar Millan works with challenging canines—and their humans—to restore balance and build lasting trust.