Scientists have a plan to restore the nearly extinct American chestnut to its abundant glory, and they need New York City residents’ help. The New York Restoration Project has launched an effort to ...

The giant chestnut tree the Puyallup School District removed from a school playground last month can pose a life-threatening allergic reaction only if digested, experts say. Dr. Jeffrey Demain, a ...

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 ...