It is an exciting time in the field of conservation and biotechnology. For the first time, it appears likely that a tree that has been developed with genetic engineering (GE) could be approved by U.S.

A new study says genetic testing can speed the return of the American chestnut tree that once dominated Eastern U.S. forests ...

CRESSONA — Seeds lying deep inside a sleepy hillside orchard could play a crucial role in the regeneration of the embattled American chestnut tree. Early Friday morning, a team of volunteers dropped ...

Sara Fitzsimmons fights to resurrect a tree that once ruled the eastern U.S. forests. Billions of American chestnut trees once shaped life in Appalachia, but a foreign fungus erased them in a matter ...

Scientists like to say that their work usually proceeds two steps forward and one step back. But sometimes that’s optimistic. Case in point: A scientific effort I’ve been writing about since 2010, the ...

Invasives have largely wiped out the American chestnut and elm, caused “hell” with the beech, and are now wreaking havoc on the eastern hemlock and white ash Signs of beech bark disease on the bark of ...

Add Yahoo as a preferred source to see more of our stories on Google. Erie has a Chestnut Street. So do Cranesville and Corry, Girard and Lake City, Edinboro, Waterford and North East. There's a ...

You don't have to be a botanist or cultivator to help bring back the American chestnut tree, which all but disappeared from the United States due to a deadly blight. The American Chestnut Foundation, ...