A new study says genetic testing can speed the return of the American chestnut tree that once dominated Eastern U.S. forests. The tree was functionally extinct by the 1950s because of a fungal ...

Add Yahoo as a preferred source to see more of our stories on Google. There’s an old holiday tradition in the U.S. that's become increasingly harder to celebrate: fire-roasted chestnuts. Thanks to an ...

FILE - Vernon Coffey, left, William Powell and Andy Newhouse prepare to harvest genetically modified chestnut samples at the State University of New York’s College of Environmental Science & Forestry ...

Federal regulatory approval for an experimental American chestnut tree made in Syracuse hit a snag recently when researchers discovered that they’ve been unwittingly experimenting with the wrong tree.

FILE - Vernon Coffey, left, William Powell and Andy Newhouse prepare to harvest genetically modified chestnut samples at the State University of New York's College of Environmental Science & Forestry ...