On his land in western Maine, naturalist Bernd Heinrich is surrounded by American chestnut trees and seedlings. More than 1,300 of them grow on his land. Only four of these trees were planted by him, ...

The woodland in my backyard on the outskirts of Decatur now has a new distinction — the home of two American chestnut trees, planted there last week by my forestry friend, Dale Higdon. The trees — or ...

Although many Americans still associate the winter holidays with chestnuts, the tree that once produced them — the American chestnut — no longer does so, except in a few rare cases. During the first ...

Hannah’s colleague Molly Jacobson was the first to find the chestnut mining bee, or “Andrena rehni” in New York since 1904 ...

The strategy, known as synthetic biology, is gaining momentum globally as a conservation tool and human health solution, ...

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 ...

Add Yahoo as a preferred source to see more of our stories on Google. Ken Baker and Cocoa In this and my next two essays, I’d like to explore: (A.) How, in the first half of the 20th century, ...

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, ...

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, ...

Conservationists pose with an American chestnut sapling at the Meadowcroft Estate in Sayville on May 1. From left: The Long Island Conservancy's Melissa Feudi, Frank Piccininni, Marshall Brown and ...

In the early 20th century, a blight fungus wiped out most of the 4 billion American chestnut trees on the eastern seaboard. The loss was... Blight destroyed the American chestnut tree. Can scientists ...