The Puyallup School District removed an American chestnut tree from Stewart Elementary. Experts said the health risk from the tree varies.

The American chestnut tree was nearly wiped out by disease. But efforts are underway to develop a new strain that's more resistant to blight.

Crews felled a large, old chestnut tree on the playground of Stewart Elementary School in Puyallup. Neighbors were upset to see it cut down.

This time-lapse shows the cold-stratified process and how a chestnut tree growing from a seed to a young plant. We started ...

The goal of this "assisted migration" experiment is to see if humans could not only help the American chestnut tree deal with climate change but also help restore it.

GRANTHAM, N.H. (WCAX) - Efforts are underway in New Hampshire to bring the American chestnut tree back to the East Coast. The Grantham Conservation Commission recently planted 23 chestnut trees on ...

The world will mourn species, ecosystems and people that are lost to climate disaster, so as a collective, governments and ...

American chestnut trees were killed off due to a fungus in the early 1900s. Now, researchers are trying to bring them back.

This American chestnut was discovered by chance when a hunter recognized it. The Delaware Nature Society led its first expedition to the rare tree.

Griffin is referring to the current approach to restoring the American chestnut tree by working to create more resistant specimens through carefully arranged cross-pollination and stem grafting.

Some of the trees have started succumbing to blight. But researchers say the variation in resistance in each of the 150 trees could help them pinpoint which genes contribute to it.