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

The Rocky Mountain bristlecone pine is famous for its longevity. The oldest known living specimen, near Pikes Peak, is 2500 years old.

The West's ancient and resilient bristlecone pines have appeared immune to bark beetle infestations devastating conifer forests. That changed when bristlecones began dying in Utah's Wah Wah Mountains.

Rocky Mountain bristlecone pine and limber pine are both five-needled trees that are adapted to growing in rocky and windy environments.

Bristlecone pines, some of the world's oldest trees, are threatened by climate change.

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

CHEYENNE – Last season, Pine Bluffs faced off against Rocky Mountain in the Class 1A nine-man semifinals. Rocky Mountain pulled off the 30-24 upset and cut the Hornets’ season shorter ...

These include Rocky Mountain bristlecone pines (Pinus aristata), located in Colorado and northern New Mexico, and foxtail pines (Pinus balfouriana), which inhabit central and northern California.

They found 12 living Rocky Mountain bristlecone pines that were more than 1,600 years old and four that were more than 2,100 years old. CB-90-11 was the oldest identified, with a minimum age of 2,435.

Kasten Dumroese, a research plant physiologist at the Forest Service’s Rocky Mountain Research Station in Idaho, stands in a crop of western white pine seedlings. These seedlings, the result of ...

Boulder County Parks and Open Space is using a variety of different strategies to protect Rocky Mountain bristlecone and limber pines against parasites.