FRESNO, Calif. — The bristlecone pine tree, famous for its wind-beaten, gnarly limbs and having the longest lifespan on Earth, is losing a race to the top of mountains throughout the Western United ...

For thousands of years, wind-whipped, twisted bristlecone pines have been clinging to existence on the arid, stony crests of eastern California’s White Mountains, in conditions inhospitable to most ...

The 4,853-year-old Great Basin bristlecone pine tree known as Methuselah grows in the Ancient Bristlecone Pine Forest in the White Mountains of Inyo County. (Tayfun Coskun / Anadolu Agency) Scientists ...

Click and drag on the image below, and see also the accompanying text. As the Discovery Trail rounds the corner of the hill to the west slope it leaves behind the white dolomite (a kind of limestone), ...

11:07 a.m. June 29, 2022: A previous version of this story misspelled Constance Millar’s first name. Forest pathologist Martin MacKenzie strode forward on a narrow path through California’s mythic ...

This film explores gymnosperms, a class of non-flowering seed plants, primarily represented by conifers in North America. It discusses their unique reproductive processes, including the production of ...

If you thought the ancient evergreens at California's Big Basin Redwoods State Park were old, the state's bristlecone pines make these old-growth trees look like saplings. Hidden within Inyo National ...

The past two decades have been hard on the West’s conifer forests, which have seen wave after wave of bark beetle epidemics turning once green landscapes brown and gray. The world’s most long-lived ...

Bristlecone pines, the world's oldest living things, stand high atop isolated mountains in six Western states, surviving millennia in harsh environments. In Nevada, we find them in several ranges, ...

In a time of relentless change, it’s soothing to contemplate deeply rooted, long-lived trees. But now our climate of uncertainty affects even Great Basin bristlecone pine, Pinus longaeva, the species ...

Back in the infancy of California motoring, a ride down the El Camino Sierra — Highway 395’s original name — promised a carload of adventure. The romance of that open road still beckons on a road trip ...

In 1964, graduate student Donald Rusk Currey asked for permission to cut down a tree growing on Wheeler Peak in Nevada's Great Basin National Park. Though there are different accounts on the ...