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

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

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

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

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

If your ash tree’s canopy is thinning, bark is flaking off in patches, or woodpeckers are suddenly interested in your trunk, ...

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