Though scientists once named giant sequoias our planet’s oldest trees, it’s now understood that to discover the ultimate patriarchs, one must exit the Sierra and trek 100 miles east, another 4,000 ...

It's hard enough to accept that a tree that was a seedling before the Egyptian Pyramids went up is still alive today, as is the case with the Methuselah Tree, a bristlecone pine more than 46 centuries ...

Gnarled, dead bristlecone pine trees, which can live more than 5,000 years, stand where young limber pine grow around them. Limber pine is beginning to colonize areas of the Great Basin once dominated ...

In a time of relentless change, it’s soothing to contemplate deeply rooted, long-lived trees. But now our climate of uncertainty affects even Great Basin bristlecone pine, Pinus longaeva, the species ...

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 ...