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

Colorado contains some of the most diverse landscapes in the country. With ecosystems that range from the prairie grassland ...

Ancient forest preserved under ice on the Beartooth Plateau provides a rare look into how warming climates could reshape ...

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