510 BCE: Rising from a mountain’s shallow soil, a bristlecone pine begins its life. This Rocky Mountain bristlecone pine is one of the oldest trees in the world, only outlived by its cousin the Great ...

While the aspens and cottonwoods have lost their leaves in preparation for winter, Colorado’s slopes still thrive with an abundance of evergreen conifers. One pine stands out in a few isolated ...

Add Yahoo as a preferred source to see more of our stories on Google. A 3,200-year-old bristlecone pine in a forest with blue sky above The world's oldest trees were growing when the Great Pyramid of ...

Of the 110 or so pine species, three cousins classified as foxtail pines live for thousands of years and hold many answers to anti-aging. Great Basin bristlecone pine (Pinus longaeva), Rocky Mountain ...

Late-summer storms hurl hail against the granite slope. The dawn air freezes all but six weeks of the year. There is no sign of soil. But on this lonely ridge, the oldest known tree in the Pikes Peak ...

While California has plenty of natural wonders to share, the state's epic mountain ranges stand out above the rest (literally). For example, the Sierra Nevada region contains monumental wonders like ...

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 ...

BISHOP, Calif. — Forest pathologist Martin MacKenzie strode forward on a narrow path through California’s mythic bristlecone pine forest in the White Mountains near the Nevada border, methodically ...

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 ...