Add Yahoo as a preferred source to see more of our stories on Google. A group of young cedar trees infected with blight - N. Mitchell/Shutterstock There's nothing quite as majestic and imposing as a ...

Deep inside a forest in Oregon’s Willamette Valley stands a dead "Tree of Life." Its foliage, normally soft and green, is tough and brown or missing altogether. Nonetheless, the tree’s reddish bark, ...

Its foliage, normally soft and green, is tough and brown or missing altogether. Nonetheless, the tree’s reddish bark, swooping branches and thick, conical base identify it as the Pacific Northwest’s ...

OKLAHOMA CITY (KFOR) — With the extreme fire danger on the way, Oklahoma is home to invasive trees that often explode during ...

Research from Oklahoma State University suggests eastern red cedar trees may help ticks and mosquitoes survive longer in ...

‘Assisted migration’ means humans can help trees keep up with climate change by moving them to more favorable ecosystems faster than the trees could migrate on their own Douglas fir trees that died as ...

As native trees in the Pacific Northwest die off due to climate changes, the U.S. Forest Service, Portland, Oregon and citizen groups around Puget Sound are turning to a deceptively simple climate ...

A critically endangered Mulanje cedar has been airlifted to Tresco as part of an ambitious effort to restore the island’s woodlands.

Pests are ravaging keystone species like ash, elm, and beech. But researchers are breeding the survivors into more resilient populations. Port Orford cedar trees in Redwood National Park that were ...