The oldest tree species is the Great Basin bristlecone pine (Pinus longaeva). The oldest tree of the species is named Methuselah and is more than 4,800 years old. The longevity of the Great Basin ...

Climate change, hungry beetles and disease are threatening the survival of a high-elevation pine tree that’s a key source of food for grizzly bears and found across the Western United States, federal ...

SUSSEX COUNTY, Va. (WRIC) — Longleaf pine trees, a species native to the landscape in southeastern Virginia, are being restored in a nature preserve. As of now, the only pine trees that remain ...

Whitebark pines are unmistakable, with their stout, twisted trunks — shaped but not dominated by the wind — topped with clumps of needles on upswept branches. But by 2016, over half of those still ...

BILLINGS, Mont. (AP) — Climate change, voracious beetles and disease are imperiling the long-term survival of a high-elevation pine tree that’s a key source of food for some grizzly bears and found ...