The May 18, 1980, eruption of Mount St. Helens in southern Washington claimed 57 lives and blasted the terrain of old-growth ...

Since the Los Angeles fires, the county has conducted two prescribed burns on the lands it manages, burning a total of 16.6 ...

Of the eight active volcanoes on the USGC watch list, three are relatively easy to explore — Long Valley, Mt. Lassen, and ...

Julie Meachen, an expert in Ice Age megafauna, skirts a dirt ledge called “the Saddle” deep inside a remarkable hollow in northern Wyoming known as Natural Trap Cave. She stops to observe Megan ...

We rank the 26 Best Underrated Travel Destinations in the U.S.. See which places our readers like the best, and vote for your ...

Efforts to blunt the ferocity and destruction of wildfires are dividing conservation advocates over proposals that would ...

Looking for dog-friendly national parks in the U.S.? This guide covers where your pup is welcome, what trails allow dogs, and ...