What would national parks be without rangers and other National Park Service staff? Certainly not the same parks you love to ...

Animals in the Grand Canyon are behaving in ways scientists have never seen before. Could climate change, human activity, or something even stranger be causing this shift in behavior? Find out what’s ...

In the Arizona desert, researchers are learning so much more about the peoples who have inhabited this land since antiquity ...

Wayne Martin Belger set out to make indelible photos of a mystical site on the Navajo Nation. First he needed to relearn how to walk ...

The former congresswoman and U.S. interior secretary talks about how her lived experiences — including her financial ...

Tim Edwards, president of the union representing state firefighters, said — no matter which party — it helps to have someone in the Legislature who has worked in the trade, so they can communicate ...