Learn more about these signs of summertime cold, perhaps tied to volcanic activity in 1877 and 1902.

An ancient, fossilized forest, which thrived for centuries at high altitude, has been revealed beneath a melting ice patch.

Trees need a certain number of warm days in their growing seasons to grow properly; otherwise, the cell walls of new growth ...

When native pine trees are grown on their own they will develop taproots or sinker roots for stability and to secure enough ...

Researchers discovered more than 30 dead whitebark pine trees that were entombed in ice for millennia, representing a bygone ...

A row of pine trees dating to the ‘70s has been cut down at the Benton County Fairgrounds, sacrificed along with grass and ...

Scientists discovered a hidden stand of whitebark pines on Wyoming's Beartooth Plateau, 180 meters above the tree line at ...