We visit an orchard where researchers are breeding Chestnut trees they hope will one day fight off a fungus that's been killing the iconic American tree for more than a century. And now a checkup of ...

A startup called American Castanea has joined the quest to revive the American chestnut tree, the first step in its plan to give forests a genetic upgrade. Under a slice-of-heaven sky, 150 acres of ...

And now a checkup of sorts on the American chestnut, a tree that was a big part of forests in the eastern United States until 1904, when a fungus from Asia started killing them. Since the 1920s, ...