A new Colorado law requires health-related research facilities to put test dogs and cats up for adoption before euthanizing ...

Technically, they fall into the category of “unregulated wildlife.” That makes them, in the words of the law, legal to own, ...

Colorado governor Jared Polis signs bills to protect animals, including wild horses and bison, and allows pets in public ...

A symbol of the West and vital sustenance for Native Americans who lived on the western Plains, the bison was hunted to near ...

Andrea Quiner walks her dog, Jack, every day in their Thornton neighborhood. She was surprised when Jack recently came home with ticks.

A symbol of the West and vital sustenance for Native Americans who lived on the western Plains, the bison was hunted to near ...

Much of the land around Vail that is now developed as resorts, ski slopes, and golf courses first belonged to sheep ranchers ...

A group of animal rights attorneys are threatening to sue Colorado Parks and Wildlife (CPW) if the agency issues – or fails to ...

Gov. Jared Polis on Thursday signed a bill that designates wild bison in Colorado as big game wildlife, meaning people can no ...

Over the past three years, avian influenza (H5N1) has spread around the U.S. and affected many species of birds and mammals, ...