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

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

George had a huge spruce tree cut down by the power company and they just left it on his front lawn. Only thing we knew what ...

Truth is, we don’t know how the Tree of Life will fall, and we don’t know when. It could happen in five years, in 40 years, ...

Together, the results illustrate how trees can “remember” times of abundance as well as scarcity. The latter, as illustrated by the spruce study, bodes well for trees’ ability to cope with a ...

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

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

This 55-foot blue spruce tree on South Washington Street has a new look, with 1,875 multicolor LED lights and a brilliant white star on top. Walter Hinick Kathleen J. Bryan ...

The aphid, known scientifically as Elatobium abietinum, extracts moisture and nutrients from older needles on Sitka spruce trees, causing them to turn yellow, red, and eventually drop.

A look inside a rare, 400-year-old tree found in the Lorneville area of Saint John offers a microscopic glimpse at the ...

A spruce is a tree of the genus Picea, a genus of about 35 species of coniferous evergreen trees in the Family Pinaceae, found in the northern temperate and boreal (taiga) regions of the earth. In ...

Drunken trees are becoming most prevalent in lowland arboreal forests across Alaska, Canada, and northern Eurasia, says Jorgenson. On steeper slopes, meltwater usually runs downhill quickly, which ...