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

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

The emerald ash borer has brought disappointment and heartbreak for more than two decades over an ever-increasing portion of the United States. For the Menominee Tribe of Wisconsin, the invasive ...

Jules Ginenthal, Natural Areas Stewardship coordinator at Cornell Botanical Gardens, plants a grafted lingering ash tree ...

In 2002 in Michigan, many ash (Fraxinus sp.) trees started to show obvious signs of decline, and after careful inspections, arborists and biologists soon discovered a pest unknown to the U.S. as the ...

Treatments to protect publicly owned ash trees in Bay County from the invasive emerald ash borer will continue through June 30. Ash trees make up a large portion of the public trees that line our ...

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

Emerald ash borers (Agrilus planipennis) are one of those invasive pests you should always kill on sight. Also known as EAB, they are responsible for the destruction of millions of ash trees in North ...

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

Ash trees in the UK are rapidly evolving resistance in response to ash dieback disease, DNA sequencing of hundreds of trees has shown. The finding is good news, says Richard Buggs at the Royal Botanic ...

The emerald ash borer is here. Your ash tree just hasn't gotten the memo yet. If you've got an ash tree in Cookeville or anywhere in the Upper Cumberland, this is the part where I gently inform you ...