GRAND JUNCTION, Colo. (KREX) — Thousands head to the Colorado high country as fall transforms aspen trees to shimmering gold and fiery orange groves of color, but this year is different. While experts ...

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 ...

PHOENIX — Arizona's aspen trees are an iconic symbol of fall, drawing thousands of hikers and photographers to the high country every year. However, research out of Northern Arizona University ...

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, ...

A proposal to try to revive aspen stands across 375,000 acres of the White River National Forest has drawn criticism from environmentalists, endorsements from some local governments and concerns from ...

The largest single organism in the world could soon fracture into smaller pieces. According to research published in the journal Conservation Science and Practice, this enormous forest organism, known ...

A gang of Western tent caterpillars have taken up residence in acres of aspen trees north of Durango in the San Juan National Forest. The insects construct their silken tents on aspen tree branches ...

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

Gardening season is underway, and you may have questions. For answers, turn to Ask an Expert, an online question-and-answer tool from Oregon State University’s Extension Service. OSU Extension faculty ...

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 ...