A new tree disease, known as aspen running canker, was recently discovered in the N.W.T. This disease is often fatal to the ...

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 ...

This is an archived article and the information in the article may be outdated. Please look at the time stamp on the story to see when it was last updated. DENVER (KDVR) — Aspens are the prime tree to ...

Question: What’s the difference between a popple tree and an aspen? I hear the terms used interchangeably. Answer: Popple (or poplar) are common names for aspen trees because their genus is populus, ...

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 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.