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

We were pushing through head-high willows along a brushy caribou trail, five days into our week-long trek across Alaska's Noatak valley, when my hiking partner, Brad Meiklejohn, startled me with a ...

Q: We have a tall Norway spruce in our front yard. It's a great tree, but during the past couple of months, it has been shedding newer growth. We were told it was squirrels, but we haven't seen much ...

Q: What's killing Colorado blue spruce trees? My parents just had one cut down in front of their house, which made me start to take notice to others dying in the area. I have noticed dying spruces ...

In most Chicago suburbs, you can’t drive a block without seeing a spruce tree. Norway spruce, blue spruce and white spruce are among the most popular trees in the area, prized for their winter color ...

Steve Nix is a member of the Society of American Foresters and a former forest resources analyst for the state of Alabama. Spruce trees grow at either high altitudes in the southern Appalachians to ...

They are a group of unusual-looking plants that start showing up in October and November at big-box stores and garden centers under the catch-all name “holiday cactus.” Others go by more specific ...