If Yellowstone is dangerous now, it’s a cakewalk compared to the Pleistocene age where humans had to contend with mammoths, ...

Mr. Trump, on the other hand, seems bent on eroding one of the country’s greatest achievements, a national park system open to all. As the Western writer Wallace Stegner once put it, the national ...

It's always terrible when a species disappears. However, one of South America's largest mammals was recently spotted in a ...

Hikers will find some of the most challenging stretches of the famed Appalachian Trail within the pristine nature of this ...