Bark beetles and blue stain fungus leaves trees dying from drought in Gullen Mall. When Wayne State University’s Ground Services discovered the damage, the trees were beyond saving.

SALEM, Ore. — For centuries, a massive white oak has stood on Marion Street Northeast, watching Salem grow up around it. Once alone in a valley, the tree now towers over sidewalks, streets, and homes, ...

Bark beetles can destroy spruce forests by converting the trees' defences into even more toxic substances, scientists recently discovered. But a special fungus can help the trees circumvent this ...

Gardening season may be in the rearview mirror, but there are always still questions. To ask one, simply go to the OSU Extension website, type it in and include the county where you live. A photo is ...

The phenomenon is actually a fungus, and has warm spring rains to blame, the Missouri Department of Conservation said.