Gray wolves were reintroduced in Yellowstone National Park in 1995 to help control the numbers of elk that were eating young ...

Colorado’s largest ski resort has a lot to offer in the warmer months, including scenic gondola rides, music festivals, world ...

Learn how to identify the aspen tree in the forest, as well as facts about the tree's habitat, range, silviculture, and management.

When I think of a "cheery" tree, I think of quaking aspens. Why cheery you might ask? While there are no leaves this time of year, find one in the spring and shake a branch… the leaves tremble ...

Aspen residents can recycle their Christmas trees for free through a city program in partnership with Aspen Tree Service. The initiative, which has been in place for over five years, continues to ...

Aspen, also known as aspen poplar, poplar (especially outside North America), popple, trembling aspen, bigtooth aspen, quaky and a dozen other local names, is a wonderful wood for many use.

Young aspens often don't survive because of factors such as grazing elk, according to a study by Northern Arizona University researchers.

Young aspens often don't survive because of factors such as grazing elk, according to a study by Northern Arizona University researchers.

Ask the Master Naturalist: By any name — aspen or popple — these trees thrive in Minnesota In Minnesota we have two native aspens — quaking aspen (populus tremuloides) and bigtooth aspen ...

It may come as a surprise to know that the U.S. Forest Service says that wildfires can be necessary for aspen trees to thrive in Colorado.

Research finds that extensive feeding by invasive insects can cause trees to produce defense compounds, to the detriment of valued native insects.

What changes colors, shakes, and covers five million acres of Colorado? Quaking aspen trees.