Some cherry and plum trees in the central Ohio area are turning black from a fungal disease. Here's what you need to know.

If you walk through a forest and look down, you might think you're stepping on dead leaves, twigs and soil. In reality, ...

A team co-led by a Purdue University researcher has found that groups of fungi influence global tree species in distinct ways ...

Research suggests new generation of young ash trees showing greater resistance to ash dieback fungus than adult trees.

Ash trees are evolving resistance to a fungus which has decimated the species in recent years, a new study shows.

DNA sequencing shows young trees are more likely to have gene variants that confer partial resistance to a fungus that has ...

These are lichens. Lichens are non-destructive, living organisms composed of a fungus and algae living in a symbiotic ...

In the sweltering heat that descended in recent weeks, I am especially aware of the cooling effect of urban trees. In the ...

Once a towering presence in northeastern forests, the American Chestnut is making a quiet comeback in Brooklyn.