As you looked out the windows of your house this winter at all the dormant and barren deciduous trees in your landscape, perhaps you thought that a little green would be a nice addition this year. But ...

Bacteria inside Norway spruce needles convert dissolved gold from mineral-rich soils into solid nanoparticles, revealing a ...

Every species of tree has unique characteristics, from its bark to its leaves, that you can use as clues to identify it—without using the internet. Beyond using this knowledge as a party trick to ...

Spruce tree needles contain tiny gold particles — and they could indicate large gold deposits beneath the surface.

Loveland’s tree streets include 22 streets named for trees in the Pine Family. The family includes 234 species worldwide and they separate into nine groups: cedars, Douglas-firs, firs, golden-larch, ...

Anywhere else in the world, more trees would be a blessing. But in the far north of Alaska, they’re a reckoning. As the Arctic warms up to four times as fast as the rest of the planet, white spruce ...