Blue spruce (Picea pungens f. glauca), also called Colorado blue spruce, is a beautiful tree with blue-gray needles. Being colorful and relatively drought tolerant, it’s a favorite of many homeowners ...

At the Acadia Research Forest north of Fredericton, researchers from UNB are in the early stages of a project to assess how ...

Female (left) and male spruce cones at the Arnold Arboretum. It's a more common sight to see separate male and female cones like this. (Courtesy William "Ned" Friedman) Every spring the conifer trees ...

Money does grow on trees! Scientists in Finland have discovered gold embedded in the needles of Norway spruce trees.

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

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