Eastern larch beetles, tiny burrowing bugs native to Minnesota, are exploding in number across the state's northern forest and have killed or damaged about a third of the state's tamarack trees — one ...

In recent years, foresters have been able to observe it up close: First, prolonged drought weakens the trees, then bark beetles and other pests attack. While healthy trees keep the invaders away with ...

Autumn in Oregon is a visual feast. The maples, oaks, alders and cottonwoods serve a rich bounty of vibrant colors each year. Growing up, we all learned that deciduous trees are the ones that turn red ...

Add Yahoo as a preferred source to see more of our stories on Google. Oct. 25—Autumn in western Montana is like a warm-hued sunset. Fields turn yellow in the last throes of summer heat as golden ...

LEAVENWORTH — You can spot the gold of the larch trees high on the eastern and northern Cascades. But to really see them, to feel their softness and breathe in their scent, you must hike. Up. And up ...

As November comes to a close, we find ourselves just three weeks away from the official arrival of winter. Many of us have seen our first snowflakes already, and last week, we had a wintry mix that ...

An ecologist investigates pest infestation in forests with mixed and monoculture tree stands. In recent years, foresters have been able to observe it up close: First, prolonged drought weakens the ...