From Nordic lullabies to Grimm’s fairytales, the wolf has always haunted the edges of human history. Even today, wolves would ...

Have you ever heard the devastating story of Hachikō the dog? This heartbreaking tale is evidence of a dog's deep and lasting devotion.

Science-based comics make it fun to become fluent in dog and to use the golden rules of social behavior for the benefit of dogs, their humans, and trainers, a win-win for all.

A Belgian Malinois named Keena works for Del-Co Water Co. sniffing out the scent of chlorine to find underground water leaks.

Ancient climate cooling reshaped carnivoran bodies, with fossils revealing how habitats drove species diversity worldwide.

Laika was the first dog in the space but it took her life. Learn more about this heart-breaking story of animal testing.

Investopedia contributors come from a range of backgrounds, and over 25 years there have been thousands of expert writers and editors who have contributed. Andy Smith is a Certified Financial Planner ...