The forest began to struggle about 5,500 years ago due to drops in summer temperatures. This transformed what was a high mountain tree-filled landscape into the alpine tundra there today.

A melting ice patch in the Rocky Mountains uncovered an ancient forest, and these trees have stories to tell about dynamic ...

Riverside forests help trees migrate between Amazon and Atlantic forests, shaping biodiversity over millions of years.

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 Main Trail can be accessed from a parking lot off Wolverton Road and it's a half-mile walk downhill to reach the tree. Along the way, you'll pass through the Giant Forest and spot exhibits ...