When officials make tough calls on which areas to prioritize for conservation, biodiversity is often their top consideration. But there are several types of diversity, and not all of them overlap ...

Chestnut trees began disappearing from eastern deciduous forests in the U.S. almost a century ago due to a nasty fungus. That has contributed to a vastly different eastern forest landscape today. A ...

The United States is packed with spectacular national forests, and these special spots contain some of the most unique trees found anywhere on the planet.

A century ago, the forests of the Eastern U.S. looked very different. They were packed with towering chestnut trees. But since then, those trees have largely disappeared, and the forests have evolved ...