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

Q: I have a beautiful green ash tree in my front yard and hope to keep it protected from the ash borer as long as possible, but today I noticed a lot of leaves have fallen off. There are little dark ...

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