In July, the Mount Rainier white-tailed ptarmigan was officially listed as threatened by the U.S. Fish and Wildlife Service ...

Dazel helps her friends escape a dangerous situation in the Northern Mountains. “It’s winter and I’ve heard that it’s snowing ...

An ancient fossilized forest in Montana is reemerging 600 feet higher than the present-day tree line after spending the last 5,500 years encased in alpine tundra. But as temperatures continue to ...

The cooler temperatures shifted the tree line downslope and transformed the high mountain landscape from forest to the alpine tundra that exists today. One of the paper's authors, David McWethy ...

The cooler temperatures shifted the tree line downslope and transformed the high mountain landscape from forest to the alpine tundra that exists today. One of the paper’s authors, David McWethy ...

These trees were once part of a thriving forest, but then the cooling climate entombed them under thick layers of mountain ...

Its greenery has also been carefully chosen to represent the Silk Road route, from alpine tundra to the dry steppe, and it culminates in a rooftop garden space. "Traveling up the vertical park ...

This transformed what was a high mountain tree-filled landscape into the alpine tundra there today. "We were very surprised that these mature forests were preserved for thousands of years," Dave ...

While it would be impossible to describe all of Vermont — or any state, for that matter — in just one word or phrase, there is ...

The study suggests that as today’s climate warms, tree lines could rise again, transforming areas of alpine tundra into forest. However, Pederson cautioned that factors such as precipitation, wind, ...

Colorado is home to some of the most breathtaking landscapes in the United States, and its national parks are a perfect ...

The remains of an ancient forest have been discovered in a popular hiking area of the Rocky Mountains. Surrounded by backcountry hiking trails, the Beartooth plateau is a frozen tundra that sits at ...