It’s not just the lodgepole pines that are dying in the Colorado mountains. Thirteen percent of aspen trees in the state are now affected by Sudden Aspen Decline, which is caused by disease and ...

Tourists and hikers carve images such as hearts, hate symbols and initials into aspen trees. This permanently harms the trees ...

When we walked with a colleague into an aspen forest near Madison, Wisconsin, in the early spring of 2021, we expected to finalize our plans for a research project on several species of insects that ...

The first case of aspen running canker in the territory was confirmed by field crews from Wilfrid Laurier University and the N.W.T. forest health surveys last year. Tamara Merritt has more. Jenny ...

It is the season of envy in Colorado. The all-too-brief time of year when we admire our forests in their finest states — awash in gold. It is, of course, aspen putting on the dazzling displays. This ...

The restoration of gray wolves in Yellowstone National Park has helped revive an aspen tree population unique to the region, a new study has found. Quaking aspen, one of the few deciduous tree species ...

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 ...

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 ...