In a new study published in Functional Ecology, researchers focused on why spruce trees produce such a complex mixture of defense substances in their sticky resin.

You might not have the largest yard or plot, but that doesn’t mean you can’t grow the mighty spruce. These 5 types of spruce trees are very adaptable to different spaces ...

As Oregon gets hotter and drier due to climate change, tree-killing invasive pests that prefer warmer temperatures are thriving — endangering Sitka spruce along the coast, firs in the mountains ...

The iconic Sitka spruce at Yaquina Bay Recreation Site will remain standing as a 20-foot snag with its distinctive feature intact.