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 bark beetles don’t just tolerate their host tree’s chemical defenses—they actively reshape them into stronger antifungal protections. These stolen defenses help shield the beetles from ...

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 ...

Some aspects of choosing a live Christmas tree, like shape, color, and aroma, are subjective. But certain Christmas tree species are better at keeping their needles and holding ornaments. Two ...

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 ...

ON THE KOBUK RIVER — It’s been a rainy fall. Again today the clouds are low, mist fills the air and raindrops pelt the windows. Water drips off tree branches. Down the hill through the wet grasses and ...

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 ...

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.