Red squirrels are entertaining and remarkable little mammals. Fleet-of-foot and extraordinary climbers, their specific habits ...

If you walk through a forest and look down, you might think you're stepping on dead leaves, twigs and soil. In reality, ...

Jake “The Tree Geek” McWhorter is back in the studio to give us another lesson on the trees we want to plan in our yards and ...

Annual cold snaps have kept some invasive tree pests in check, but outbreaks could become more common with warming ...

Parts of the North Cascades and Mount Baker are facing an outbreak of the western spruce budworm, aerial surveys reveal. The ...

The city forester said at least 50% of the trees in Jamestown were affected by the June 20-21 storms, whether they were ...

It was a cold and crystal clear late morning in February, walking around the beaver pond when I heard the unmistakable call ...

With arms that once flexed and reached to the sky, the limbs of the beloved Sitka spruce “muscle tree” at the entrance of ...

These are lichens. Lichens are non-destructive, living organisms composed of a fungus and algae living in a symbiotic ...

In the Thuringian Forest or the Harz Mountains, dead spruce trees (Picea abies) dot the landscape like skeletons. Many have ...

Every species of tree has unique characteristics, from its bark to its leaves, that you can use as clues to identify ...

Birch and black spruce—with their shallow root systems—are the species most likely to lean. Some climate models have predicted that most permafrost could melt by the end of the century.