Fast warming in the Arctic - now running at roughly four times the global average - is reshaping landscapes, affecting shrubs ...

Rapid climate change is upending plant life in the Arctic. A new study in Nature shows how one of the most fragile ecosystems ...

From Acadia to Zion, there are health concerns across the National Park System tied to poor air quality conditions that the ...

Starting among the cacti of the Sonoran Desert, he climbed into a pine forest at 7,000 feet and a treeless alpine tundra at the summit. It seemed to him that the plants at a given altitude were ...

After visiting all 63 national parks in the US, my favorites include Yosemite and Grand Teton. I think one of the worst parks ...

At the Alpine Visitor Center, elevation 11,796 feet, Auerbach said treating cases of altitude sickness adds to rangers’ other ...

Wrangell-St. Elias National Park and Preserve is the largest national park in the United States. Here, you can camp on Root ...

Another Nabesna Road go-to is the Trail Creek Trail, a six-mile one-way route that includes creek hiking, tundra ascents, and potential sheep sightings. The alpine route, which typically takes ...

Alaska Alpine Adventures is one of the few tour operators ... you'll be privy to the park's otherworldly solitude and miles of verdant tundra. Big Bend National Park truly offers something for ...

More than 400 species of plants grow within the park boundaries ... The park's diverse landscapes, from Subalpine Zone and Alpine Tundra to streams, rivers, and wetlands, offer a peaceful retreat ...