Under the cover of night, someone cut the tops off spruce trees near Buckhorn Drive along the Valley Trail. The trees are ...

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

If you walk through a forest and look down, you might think you're stepping on dead leaves, twigs and soil. In reality, ...

Red squirrels are entertaining and remarkable little mammals. Fleet-of-foot and extraordinary climbers, their specific habits ...

After Charyn Canyon, the Black Canyon feels like entering another realm. Just a 15-minute drive from the Valley of Castles, ...

Parts of the North Cascades and Mount Baker are facing an outbreak of the western spruce budworm, aerial surveys reveal. The ...

Sitting in an old-growth spruce fir forest, Doug Smith says he can see first-hand the impact of reintroducing wolves on the larger ecosystem of Yellowstone National Park. Long before Yellowstone ...

These dwarf conifers are perfect for filling a small space. The Difference Between Pines and Conifers Here’s one of our favorite fun facts about conifers. All pine trees are conifers,but not all ...

Tree planters sowed three million seedlings during a reforestation project this spring, aiming to restore a part of ...

The fate of this natural wonder rests on sustainable choices, mindful tourism, and a collective vow to protect paradise ...

One recent morning, trying to find the source of a warbler trill high in a white pine tree, I was rewarded with a brilliant flash of orange. It was my ...