Add Yahoo as a preferred source to see more of our stories on Google. A western pine beetle rests on a sap mound on a pine tree. - Charles Wollertz/Getty Images A thriving pine tree is a thing of ...

Bark beetle-infested spruce trees begin to dry out already before any visible signs of tree mortality appear, a recent study shows. Bark beetle-infested spruce trees begin to dry out already before ...

My fairly large magnolia tree is heavily infested with scale. What can I do? It has also been losing quite a few leaves lately. Since your tree is so large and heavily infested, I would recommend a ...

Add Yahoo as a preferred source to see more of our stories on Google. Mar. 10—The section of the tree along Wharf Street suffered the most damage from the August wildfire. The scorched banyan tree in ...

An invasive wood-boring beetle responsible for the deaths of hundreds of millions of ash trees across North America has been ...

An invasive beetle is creating a threat to a tree that could be in your backyard.

HAVERHILL — To the casual observer it might appear to be a callous move on the part of the city when it cut down 18 ash trees on the lawn in front of the DPW offices on Primrose Street. Not so, say ...

Bark beetle-infested spruce trees begin to dry out already before any visible signs of tree mortality appear, a recent study from the University of Eastern Finland shows. Led by Dr Samuli Junttila, ...