The Oregon Department of Forestry is warning Oregonians about an invasive species of beetle that could emerge this summer.

Lookout Fire burned most of a forest in Oregon. What's unfolding in the aftermath could inform the future of other forests ...

Imagine walking through a forest that has stood for thousands of years—giant sequoias towering above, sunlight streaming ...

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

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

Adult emerald ash borers (EAB) start emerging in Oregon in early June. However, the majority emerge this month, according to ...