Our helicopter gently landed on the Knik Glacier, a stunning turquoise ice floe in the Knik River Valley that popped against ...

Six million acres of wilderness at Denali National Park calls to visitors every year, making it one of the top destinations ...

The climbing season has begun on Denali, though unsettled weather meant a slow start. The NPS says 936 climbers have registered to climb the peak.

Here is the list of the tallest mountains in the US. Get ready to be swept away by the amazing facts about these majestic ...

After a week spent in the Denali National Park backcountry photographing grizzly bears, moose and caribou, I was looking ...

The national park might be America’s greatest gift to the world. U.S. President Ulysses S. Grant signed the Yellowstone ...

California · Hawaii · Alaska · Colorado · Utah · Washington · Oregon · Arizona · Montana · Maine · Wyoming · Michigan · ...

There are over 60 national parks in the United States—and they're never more popular than at the peak of summer. This year, ...

Chris McCandless ventured into the Alaskan wilderness, where he tragically died five months later, his emaciated body found ...

Climbers are split over a British team’s use of xenon gas to climb Mount Everest in just four days. One Wyoming Everest ...

Trump’s discretionary budget request for NASA would cut $1.1 billion in funding for Earth observation programs, including ...