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

An ancient fossilized forest in Montana is reemerging 600 feet higher than the present-day tree line after spending ... allowing for the layered preservation of fossils, pollen, and charcoal.

A significant area of Cretaceous rock exposures in northwest Montana has been recognized as an International Geoheritage Site ...

For much of the 20th century, dinosaurs had been thought of as lumbering, lizard-like animals. The surprising findings at Egg Mountain suggested dinosaurs were more dynamic and social than previously ...