With their wide-spreading, leafy branches, ash trees are quite popular in the U.S., but they're being seriously threatened by ...

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Q: I have three 35-year-old Arizona ash trees. Some of their heavier branches are rotting, and one has fallen. A tree trimmer has suggested that I let him top the trees to give them more life. I hate ...

TRAVERSE CITY — Hikers, property owners and others who frequent natural areas this fall have the opportunity to help restore a vanishing native tree species. The great die-off of millions of ash trees ...

Eversource wants to protect more of its at-risk power lines, removing trees along busy roads that could cause problems when winter weather arrives. Ash trees are native to New Hampshire, but the ...

FOREST GROVE, Ore. — A beetle species described as the most destructive forest pest in the country are killing ash trees in Washington County. Now, both cities of Forest Grove and Cornelius are trying ...