The oldest tree species is the Great Basin bristlecone pine (Pinus longaeva). The oldest tree of the species is named Methuselah and is more than 4,800 years old. The longevity of the Great Basin ...

Conservationists credit the Endangered Species Act for the red-cockaded woodpecker’s limited rebound, but they fear a Trump ...

Millions of pine trees were planted to stabilise soils, combat erosion and create forests on previously open landscapes. At first, the initiative appeared to be an environmental success, with barren ...

TETON COUNTY, Wyo. — This Earth Day, ABC News is taking a look at solutions for issues related to climate change and the environment with the series, “The Power of Us: People, The Climate, and Our ...

During his recent yearlong sabbatical, Daniel Laughlin led a study that found trees can sustain life in temperatures higher or lower than where they are currently growing. While tree species appear to ...

If you're wondering why squirrels seem to vastly outnumber raccoons—or why certain car brands dominate city streets—a team of University of Virginia researchers may be able to help. Some species are ...

“They just have unbelievably aggressive roots,” said arborist and STAC member Duke McPherson. “More aggressive than, or maybe on par with, the Morton Bay fig down by the train station.” That the roots ...