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 ...

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, ...

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 history and data that can be pulled from old growth trees as the supply of them ...

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 ...

A spruce tree in Saint John, N.B., likely dating back to around the time of famed French explorer Samuel de Champlain, is part of a forested area at risk of being paved over to make room for a new ...

Spruce trees simply don't do well in Missouri due to the climate, they are from a cooler climate and most of Missouri just doesn't suit these trees well.

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 ...

Here are United States Forest Service geographic maps defining the 20 major forest cover types in the United States and where common trees are most often located based on frequency of occurrence.