Spanning 106 acres in the United States, between Las Vegas, Nevada, and Salt Lake City, Utah, this enormous entity is a genetically identical, cloned aspen ... and disease. The youngest trees ...

I was up in the White Mountains this weekend, walking out to my car in the AMC’s Highland Center parking lot after a hike, and there between the buildings and the cars was a gorgeous aspen tree ...

Nine years after the 2012 High Park Fire burned a stand of lodgepole pine that had been severely affected by the mountain pine beetle, lodgepole and aspen saplings were rebounding on this slope in the ...