Eastern Oregon's Malheur National Forest boasts some of the state's oldest trees, including pine and larch that live more ...

A nearly seven-foot piece of trunk will be featured in an art exhibit to honor the beloved tree. Hugging it is encouraged.

In fantasy worlds, trees like the Lord of the Rings’ Ents are agile and mobile. In the real world, they’re slow.

The remains of a famous sycamore tree, which stood on Britain’s Roman-built Hadrian’s Wall in northern England for more than ...

Anthracnose is a common spring disease on maple trees. Several different fungi can cause the symptoms we describe as anthracnose.

One person identified non-native English ivy, a common invasive species in the United States, on a large oak tree.

Forests and nearby communities could start looking much different as a tree native to Maryland falls victim to a microscopic ...

Emerald ash borers threaten Minnesota's estimated one billion ash trees. Ben Cooper, the General Manager of Rainbow Treecare, ...