It was a majestic limber pine tree that grew slowly on a rocky terrace above the Snake River in what is today Grand Teton National Park. It was a mere sapling when the first European colonists arrived ...

Dead bristlecone pine trees stand on a steep slope in the western Great Basin of California's White Mountains. They are increasingly being joined by limber pine trees in a slow motion game of ...

Montana's Rocky Mountain Front is home to some of the oldest trees in North America, but new research shows these ancient trees are now facing their greatest challenge yet. An invasive fungus called ...

All pines are conifers, but all conifers are not pines; and further, all pines make cones, but all cones are not “pine cones.” Such details swirled through my mind as I walked Loveland’s streets named ...

Researchers studied how young trees respond to a hotter, drier climate. Their findings can help shape forest management policy and our understanding of how landscapes will change. As climate scientist ...

JACKSON — It watched as the Doane Expedition slogged and foundered along the icy river, a winter odyssey destined to fail. It watched as the off-duty Army soldier or surveyor who discovered the three ...