U.S. Raúl Grijalva, an Arizona Democrat who was a fierce advocate for national parks, passed away Thursday from complications related to cancer treatments. He was 77.

For generations, the idea of retirement was wrapped in images of palm trees, golf courses, and pastel-colored condos lining the Florida coast. But for today’s retirees, those images are changing. The ...

The ESA offers two levels of protection: endangered and threatened. Metaphorically, “endangered” is like your house is on ...

In the wild, strength isn’t just about muscle—it’s about survival. And when it comes to power struggles, few match the ...

The National Park Service on Wednesday reported fresh grizzly tracks have been spotted in the northern section of Yellowstone ...

As spring eases in, bears in Yellowstone National Park have begun to emerge from hibernation, presenting safety considerations for park visitors.