CPW has discovered zebra mussel veligers in the Colorado River near New Castle, Mack Mesa at Highline State Park and Highline ...

The spread of invasive zebra mussels has continued on Colorado’s Western Slope this summer, with additional discoveries made ...

I met a big black bear. Well, we weren’t formally introduced, but more on that later. It all started with our impromptu trip ...

The National Park Service is clearing up any misconceptions on whether wildlife is migrating away from Yellowstone National ...

Behind the scenes, Smithsonian care teams welcomed four animal babies from three imperiled species: Hartmann’s mountain zebra ...

Dogs and human inspectors are checking boats for golden mussels at some lakes, but a patchwork of oversight leaves many lakes unprotected.