Something unusual is happening in the Grand Canyon—its animals are behaving in ways never seen before. From unusual ...

"I didn’t even realize a kid was there." Park visitor endangers child with outrageous stunt near Grand Canyon: 'Visitors ...

Grand Canyon aficionados debate which overlooks ... That extra elevation makes a huge difference in climate, vegetation, and even the animals you come across. The North Rim is slightly cooler ...

Groundwater pollution has the potential to seep into underground aquifers used for drinking water and into seeps and springs that are the lifeblood for animals in the arid Grand Canyon region. The ...

FLAGSTAFF, Ariz.— Twenty-three wildlife conservation groups today urged the U.S. Fish and Wildlife Service and the Arizona Game and Fish Department not to remove a family of endangered Mexican gray ...