Billions of chestnut trees once dominated American forests, until a mysterious threat brought their reign to an abrupt end.

Twenty hybrid saplings bred for blight resistance are now in the ground at the Bronx Zoo, where its chief forester first ...

The Bronx Zoo is bringing back a long-lost tree to the park. Twenty-five hybrid American chestnut trees are being planted ...

For generations, the American chestnut was a major part of the Appalachian forest, providing food for people and wildlife.

A rare 200-tree American chestnut grove in West Virginia may be cleared for data-center development, but the project denies ...

For generations, American chestnut trees were an important part of daily life. Growing in abundance in the eastern United ...

The zoo is branching out. The Bronx Zoo introduced a “functionally extinct” tree species at its grounds Monday — more than a ...