With so many animal species in the world, only a small number consistently rank as people’s favorite pets. From familiar companions to surprising choices, these 10 animals stand out for their ...

“When a cat headbutts you, they are rubbing pheromones on you.” Such a tiny, banging action will seem clumsy affection, but ...

Joy—fleeting woo-hoo moments like "catching the perfect wave"—is felt by many diverse animals, and researchers want to know how they express it in various situations and why.

Golden and Labrador retrievers have long been the top dogs in Colorado, showing up in surveys as the state’s favorite breeds. They are friendly, adorable and love getting outdoors, making them a ...