Later, the girdled trap trees are removed, and workers with the Oregon Department of Agriculture peel back the bark to see how many beetle larvae they can find.

Some Native Americans traditionally bestow bald eagle feathers at ceremonies to mark achievements, such as graduations, and ...

Pine trees are one of the most common coniferous species in North America. Learn how to identify the types found in the United States and Canada.

The first fifteen inches from the bark of a medium-sized tree-six feet in diameter-on the north Tenaya pavement had eight hundred and fifty-nine layers of wood, or fifty-seven to the inch.

A pest that has destroyed over 10 million ash trees across the eastern United States is expected to reach its peak emergence ...

Amenities include a swimming pool, epic views of willow flats, modern design ... marble as seen in the nearby Oregon Caves ...

Despite being orphaned, challenged for alpha status and ultimately being killed by a rival pack, wolf 907 leaves a legacy.

Without the threat of wolves throughout much of the 20th century, the elk devoured woody vegetation in Yellowstone, like willows and stands of white bark Aspen trees.

Eastern Oregon's Malheur National Forest boasts some of the state's oldest trees, including pine and larch that live more ...

Annual cold snaps have kept some invasive tree pests in check, but outbreaks could become more common with warming ...