A mountain pine beetle outbreak is on the rise in Black Forest and across the state. The Colorado State Forest Service is ...

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

If you thought the ancient evergreens at California's Big Basin Redwoods State Park were old, the state's bristlecone pines ...

Some of the remarkable trees in this White Mountains forest are nearly 5,000 years old. The colorful, twisted trees draw photographers and offer clues to scientists studying climate change.

Pine trees have worked out an efficient and effective mechanism to deal with periodic fires over evolutionary time. The riddle of the turpentine-saturated pine tree is solved. Send environmental ...

In California, Where Trees Are King, One Hardy Pine Has Survived for 4,800 Years In a harsh alpine desert, the Great Basin bristlecone pines abide amid climate change. Among them is the oldest ...

A few things on this planet are old enough to make history books look recent, and that includes some living trees that have ...

In a Swiss pine forest, the treetops are being sprayed with mist in a bid to discover the effect that drier or wetter air has ...

Green groups began slamming President George W. Bush’s forestry plan as soon as he announced it Thursday. But Bush’s proposal to reduce forest fires by cutting down trees does get it half right.

Ancient whitebark pine trees emerging from 5000-year-old ice patch in the Beartooth Mountains of Wyoming (photo credit: Daniel Stahle) Yellowstone Ice Patches Melting ...