You’re walking along White Rock Creek, surrounded by the dense canopy of green. In that canopy, you see the majestic ash ...

Native fungi from forests killed emerald ash borers in lab tests, offering a potential new biological tool to slow the ...

Cornell is at the forefront of determining how "invisibility cloaks" and walls of protection may give ash trees hope of revival.

In late June, Paul Cigan got a call from an arborist in Burnett County asking him to check out a suspicious ash tree. The the leaves on the upper branches of the tree had thinned, making the tree look ...

This is an archived article and the information in the article may be outdated.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. LITTLETON, Colo. (KDVR) — A destructive wood ...

An invasive insect from Europe and the Middle East is attacking several Oregon white oak trees in the Wilsonville area, and state researchers say it's been found in other pest traps in the past few ...

Getting your Trinity Audio player ready... CARBONDALE — Carl Meinecke sidles up to an ash tree and wraps a tape measure around the trunk, gathering both circumference and diameter in one move.

Last summer, an invasive and highly destructive forest pest was first spotted in Oregon at an elementary school in Forest Grove. Oregon is the first state on the West Coast and the 36th in the nation ...

BAYFIELD COUNTY – On a drizzling, early-fall day last year, Jason Holmes was checking in to see how newly planted bald cypress seedlings were faring in the county’s forested wetlands. While Holmes was ...

REMER, MINN. - Along a lonely stretch of road inside the Chippewa National Forest, a stand of black ash trees is under attack. Discovered last fall, it signals the farthest and coldest known place a ...

The California Department of Fire and Forestry Protection shared Wednesday that there have been multiple confirmed ...