Aspen trees tend to have rough bark that ranges in color: greenish or yellowish, grey, white, or a mix. These trees are medium-sized, growing between 20 and 80 feet tall.

The bark of the aspen tree, it turns out, works pretty well as a canvas. Shepherds in the West made carvings in aspen trees, and they’re still to be found in Colorado, California and other states.

Forest bathing dates back to ancient Japanese Shinto and Buddhist beliefs that spirits inhabit natural elements, which can ...

Closer inspection turns up a bark beetle, no more than one-twelfth-inch long but capable, en masse, of cutting off the tree's nutrient supply. "These beetles are the biggest mystery," says Worrall.

Aspen trees are getting a boost from wolves at Yellowstone National Park, new research suggests. For the first time in 80 years, baby aspens are growing tall and healthy in the northern part of the ...

The Emerald Ash Borer, an invasive species of bark beetle that was discovered in Colorado in 2013 and has been expanding through the state, has the potential to damage the Colorado landscape. And ...

Closer to home, aspen trees have a layer of green bark underlying the external whitish bark. Even in winter, when the leaves have dropped, the bark can use the available daylight to make sugars ...

To carve an aspen tree — to take a blade to the trunk for the sake of your initials, for example — is to do harm. Harm to a being with a life expectancy much like our own: 100 years, if we ...

Bark beetles have impacted nearly 80% of Colorado’s pine forests, and yet ecologists say the devastation is a sign of climate ...

The Mystery of Aspen Powder-Oren Rabinowitz I was born in Israel, raised in New Jersey, and graduated with a B.A. in Ecology and Evolutionary Biology at The University of Colorado-Boulder in 2014. In ...

To carve an aspen tree — to take a blade to the trunk for the sake of your initials, for example — is to do harm. Harm to a being with a life expectancy much like our own: 100 years, if we ...