Bark beetles can destroy spruce forests by converting the trees' defences into even more toxic substances, scientists ...

An Ashland reader recently noticed some curious little, almost lantern-like attachment appearing on her spruce. At first glance, these little cocoons looked like little lanterns in her evergreen.

Then there is the fungus, Beauveria bassiana. This fungus is neither the tree’s nor the beetle’s friend; as a pathogenic ...

Spruce bark beetles don’t just tolerate their host tree’s chemical defenses—they actively reshape them into stronger ...

How trees fare under drought depends heavily on their past experiences. In some cases, adversity breeds resilience: Spruce trees that experience long-term droughts are more resistant to future ...

Stan Boutin has climbed more than 5,000 spruce trees in the last 30 years. He has often returned to the forest floor knowing if a ball of twigs and moss within the tree contained newborn red squirrel ...

This is an archived article and the information in the article may be outdated. Please look at the time stamp on the story to see when it was last updated. FORT WAYNE, Ind. (WANE) — When searching for ...

You would think with all the rain we had this spring your trees would look healthy. Most do, but some trees in Fort Collins are dying — and it's not the emerald ash borer killing them. There's another ...