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 ...

frozen in ice on a barren tundra in northwest Wyoming. Uncovering the rest of the story is a race against time. The ghostly fallen trees and stumps were revealed in a melting ice patch in the ...

Landscape fires trigger soil erosion processes: the tundra's upper cover, being left without plant protection, warms up faster and deeper, which leads to a significant degradation of the permafrost.