Over the last month, two of Colorado’s latest gray wolf transplants were killed after crossing the border into Wyoming.

Colorado Parks and Wildlife officials report that black bears are emerging from their dens and are looking for food.

Colorado Parks and Wildlife, the agency that brought the continent's largest cervid to North Park in 1978, insists it has ...

As an emergency medicine doctor, I’ve seen my fair share of life-threatening cases. Some of the most tragic involve ...

Senate Bill 53 would classify bison as big-game wildlife, which would regulate the killing of the native species. Like it is for elk and deer, the killing of wild bison would be legal only with a ...

The state has emerged as a leader in building ... a law creating a cash fund for the department to use for animal crossings. Colorado has also evaluated its highways to create a priority list ...

EDITOR’S NOTE: This story is a collaboration between The Associated Press and Grist.

The body that makes the final review of ballot measures on Wednesday rejected a proposal to repeal Colorado's wolf ...

The designation of the state mushroom came at no cost to the state. Colorado has a state bird, animal, tree, fish, flower, fossil and now a state mushroom. Gov. Jared Polis signed a bill Monday ...