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

The Colorado River from Glenwood Springs to the Utah border is now considered positive for zebra mussels, an invasive species ...

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 ...

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.

Two male lions from the Twee Rivieren section of Kgalagadi National Park, now call Addo Elephant National Park in the Eastern Cape home.

A Change. org petition demanding accountability for Table Mountain's mismanagement is nearing 4,000 signatures. Join Friends ...

President Donald Trump signed an executive order on Thursday to increase entrance fees at U.S. national parks for visitors from other countries, even as his administration seeks to cut national ...

Here are tips on how to save time entering the popular Rocky Mountain National Park and what you need to know once inside during July Fourth weekend.

The rescheduled exotic animal races are set for July 4 at Delaware Park.