Scientist finds Jeffrey pine trees at record mountain heights, suggesting climate-driven shifts in Sierra Nevada.

The Crooked Forest in Poland, located outside the town of Gryfino, has intrigued travelers for decades with its cluster of ...

A professor's casual hike in the High Sierra turned into a new elevation record for California's highest tree, the Jeffrey pine, which wasn't formerly known to grow at extreme elevations.

Nancy Bockino is a mountain guide based out of Jackson, Wyoming, as well as a field ecologist with more than 30 years ...

Trees are an important part of every community. They provide us with two of life’s essentials, food and oxygen.

When temperatures climb above freezing, with or without sunlight, many birds will go elsewhere for meals, taking seeds and insects from trees ... I noticed one pine siskin among them.

The paper is published in the journal Nature. The researchers coordinated ... downy oaks and many types of pine trees. Conversely, in unfavorable climates and poor soils, conservative species ...

This week, we meet the eastern white pine or Pinus strobus, which historically was one of the tallest trees in the eastern United States. This conifer is the only five-needled pine native to Indiana, ...