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

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

NEW YORK (AP) — Five prominent species of ash tree in the eastern U.S. have been driven to the brink of extinction from years of lethal attack by a beetle, a scientific group says. Tens of millions of ...

(NEW YORK) — In northern Wisconsin, April Stone is carrying on a centuries-old Ojibwe practice of basket making. She uses wood from the black ash tree, a cultural keystone species that’s now under ...

All of Iowa's 99 counties confirmed having the ash tree-killing insect, emerald ash borer, the Iowa Department of Natural Resources reported Thursday. As one of the most commonly planted street trees ...

PORTLAND, Ore. (KOIN) – The dreaded emerald ash borer has made its way into Portland, and it poses a threat to every ash tree in the city. The invasive beetle from East Asia has already had a ...

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

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

James E. Zablotny/USDA APHIS This week, crews removed dozens of infested ash trees in Forest Grove as part of a state plan to slow the spread of the destructive pest. This month, state agencies ...

BRAINERD — Guidelines are now in place to deal with the injection and removal of ash trees infested with emerald ash borer in Brainerd. City Council members approved the final reading of a tree ...

Goetze: An interesting tree of our Rolling Plains region is native to Texas, New Mexico and Oklahoma and has close relatives ...