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 ...

Spruce trees retain ancient memories of their environment and communicate with one other in the hours preceding a solar eclipse, a new international study suggests. "We now see the forest not as a ...

An international research team demonstrates that the European spruce bark beetle (Ips typographus) uses volatile fungal metabolites of plant defense substances as important chemical signals in their ...

How trees fare under drought depends heavily on their past experiences. In some cases, adversity breeds resilience: Spruce trees that experience long-term droughts are more resistant to future ...

A potentially devastating disease epidemic is attacking our region's most common evergreen trees. Colorado, Black Hills and Norway spruce have long been planted in yards and shelterbelts. Most of the ...

A study has identified genes involved in development of stone cells -- rigid cells that can block a nibbling insect from eating budding branches of the Sitka spruce evergreen tree. The insect's attack ...

GRAND RAPIDS, Mich. (WOOD) — If you have a spruce tree in your yard, you may have noticed some new growth broken off and littering the ground. Viewers would like to know if the recent warmth is the ...

"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." Real Christmas trees aren't for everyone. While it's fun to cut down a fir, it's not necessarily easy.