A mountain’s tree line is where the forest gives way to alpine shrubs, mosses and rocks. In Maine, that occurs between 3,800 and 4,200 feet, depending on wind, exposure, ...

Rows and rows of full and sappy Christmas trees line up across the 60-acre farm in Grayson County, making it look like a Christmas wonderland. Owner Chris Shumate started the Poplar Grove ...

T he melting of glaciers in the Rocky Mountains led to a remarkable discovery: a 5,900-year-old whitebark pine forest, including more than 30 dead trees that were entombed in ice for millennia ...

A mountain’s tree line is where the forest gives way to alpine shrubs, mosses and rocks. In Maine, that occurs between 3,800 and 4,200 feet, depending on wind, exposure, ...