MaMA has so far identified more than 230 lingering ash trees. Most are from the Hudson Valley region, ground zero for the ...

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

Dartmouth College undergraduate researcher Farrar Ransom looks up to the still-unfolding leaves of an ash tree in the Hubbard Brook Experimental Forest in North Woodstock, N.H., on May 19, where he ...