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

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

An ancient fossilized forest in Montana is reemerging 600 feet higher than the present-day tree line after spending the last ...

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

Scientists in northwest Wyoming found remnants of an ancient forest, frozen in ice on a barren tundra in northwest Wyoming.