Animals in the Grand Canyon are behaving in ways scientists have never seen before. Could climate change, human activity, or ...

Explore this little-known canyon in Iowa. Home to intriguing caves, miles of trails, and diverse wildlife, this is one of the ...

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 ...

So, it's amazing to see them, how they've taken to their habitat." The ranch's first residents were wild donkeys, airlifted ...

The enormity of the Grand Canyon inspires the millions of visitors who stand on its rim each year. Now that scene won’t be ruined by a gigantic mega-mall. On March 4, the U.S. Forest Service rejected ...

Layered rock formations The Grand Canyon is a geological marvel ... the bottom to ponderosa pines and aspen trees on the rims. Wildlife includes California condors, mule deer, and bighorn sheep ...

GRAND CANYON NATIONAL PARK, Ariz.— Tribes, conservation organizations and community groups today defended Baaj Nwaavjo I’tah Kukveni – Ancestral Footprints of the Grand Canyon National Monument, which ...

Heart-pounding video captured the moment a German skydiver became the first person to achieve an extreme death-defying stunt over the Grand Canyon in Arizona. Max Manow successfully executed what ...