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

An exotic beetle is chomping on trees in the Upstate, and the damage it is causing to the environment may be inevitable. The critter has even earned the title of being "one of the worst invasive pests ...

An emerald ash borer larva chews through the cambium layer of an infested ash tree in Armstrong, located in Emmet County. A buildup of feeding tunnels cut off the vascular or “plumbing system" of a ...

The ash trees in the Columbia park are brittle and at risk of falling after dying from infestation by the emerald ash borer.

Dallas officials warn the emerald ash borer could impact hundreds of thousands of trees, forcing removals while the city ...

SHEBOYGAN - On a bleak day just above freezing in March 2016, state officials confirmed the emerald ash borer had infected a tree felled on Ontario Avenue. It was the first infected tree found in ...

It’s taken 20 years, but the most destructive insect in the country has been found in Oregon: the emerald ash borer. Altenhoff said there are a fair number of ash trees in city parking lots and parks.