NORTON SHORES, Mich. — A small insect could create a huge problem for one of Michigan’s most prominent tree species. Hemlock Wooly Adelgids, or HWAs, are tiny insects that nest at the base of hemlock ...

The hemlock woolly adelgid first started becoming a problem in the Finger Lakes in the 2000s. The invasive species can kill hemlock trees as the pest feeds, leading to series problems for plants, ...

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Brian Milakovsky, senior forester for the New England Forestry Foundation, places a lab-grown beetle colony on a hemlock tree to combat the invasive hemlock woolly adelgid. Photo courtesy the New ...

Climate change is already reshaping the landscapes we know and love. Within the next century, the Antarctic could lose most ...

For nearly two decades, North Carolina’s Hemlock trees have been under attack, and it's a problem that's not going away anytime soon. In the mighty mountains of western North Carolina, a tiny creature ...

It’s a warm day in early June, and researcher Nicholas Dietschler is standing in front of an eastern hemlock sapling about a quarter of a mile up a steep ridge in New York’s Catskill Mountains. The ...