Angel Watkins and co-workers in Colorado blame ... of cutting off the tree's nutrient supply. "These beetles are the biggest mystery," says Worrall. Before SAD, aspen bark beetles were known ...

the word ‘aspen’ may be more likely to conjure up images of a ski resort in Colorado rather than a tree indigenous to Scotland. However, Populus tremula, as aspen is known in scientific terms ...

So, with that in mind, please enjoy your snack. Kevin Donahue, Idaho Springs Trump is weaponizing persecution, Colorado Dems shouldn’t follow along Re: “Pro/Con: Should Gov. Polis grant Tina ...

Populus tremuloides, the quaking aspen of the North American continent, stands as one of the most easily recognized, most beautiful and most admired of all tree species. In order to help ...

A 20-year-old skier crashed into a tree and died at a Colorado resort, officials said. Photo by Cullen Carter via Unsplash A 20-year-old from Kansas died while skiing in Colorado after he crashed ...