Richard Wilhelm knows about the rise and fall of the American chestnut — how a foreign blight inadvertently wiped out the grandest tree in the North American forests in little over a half century. He ...

All over eastern North America right now, chestnut breeders are pollinating tree flowers. "So here is actually some flowers," Retired forester John Scrivani explains. They’re beautiful. "And they’re ...

From the northernmost reach of the White Mountains and Mahoosuc Highlands of Maine, through the crystalline escarpments of the Catskills and Blue Ridge — down into the Shenandoah, Cumberland and ...

When foresters saw the flagging leaves on old oaks in Richfield's Augsburg Park last year, they thought they were seeing a disease called oak wilt. It was only when they sent a sample to a lab at the ...

Sunlight filtered through the overstory of a thick Pennsylvania forest and a few rays fell upon the long, serrated leaves of the American chestnut trees down below. The higher Mike Manes, 78, hiked, ...