The Emerald Ash Borer, a destructive and invasive insect, is expected to kill every ash tree in Redwood Falls over the next five years. That means more than 10,000 trees, or roughly 30 percent of the ...

An emerald ash borer beetle sits on a leaf in this undated photo. University of Minnesota researchers are working on a new fungus-based solution to battle the invasive bugs that can destroy ash trees.

The Coastal Redwood is the tallest tree in the world with height up to 115.55 meters. It is generally found along the Pacific coast of North America. The Mountain Ash is the tallest flowering tree ...

Redwoods in California are known to reach staggering heights—some tower over 300 feet, rising taller than a 30-story building.In fact, the tallest known living tree on Earth is a coast redwood ...

Pests are ravaging keystone species like ash, elm, and beech. But researchers are breeding the survivors into more resilient populations. Port Orford cedar trees in Redwood National Park that were ...

CHISAGO COUNTY, Minn. (FOX 9) - A scary-sounding insect is helping Minnesota in its battle against one of the worst pests for ...