The oldest tree species is the Great Basin bristlecone pine, with many trees dating back around 4,000 years. The oldest tree is named Methuselah and it dates back nearly 5,000 years.

The trees in Ancient Bristlecone Pine Forest, despite the forest’s woodsy-sounding name, don’t bear a strong resemblance to typical Christmas trees.

Scientists have discovered a new contender for the oldest tree in the world, potentially bumping California’s ancient bristlecone pine tree from the top spot. The state's “Methuselah ...

Extreme drought and bark beetles now threaten California's Ancient Bristlecone Pine Forest, home to Methuselah, a 4,853-year-old bristlecone pine.

Ancient bristlecone pine forests are being overwhelmed by climate change California’s 5,000-year-old bristlecone pines are being invaded by trees usually found at lower, warmer elevations.

The Great Basin Bristlecone pine is also notable for being exceedingly rare, with populations only found in subalpine regions in California, Nevada, and Utah.

In the White Mountains of eastern California, the mighty Methuselah stands at an incredible 4,847 years old. Methuselah was the oldest tree in the world until 2013, when a forester by the name of Tom ...

Winter rates of photosynthesis and respiration in bristlecone pine were measured at controlled temperatures at 3,094 m elevation. Following the onset of severely cold temperatures in autumn, net ...

For thousands of years, wind-whipped, twisted bristlecone pines have been clinging to existence on the arid, stony crests of eastern California’s White Mountains, in conditions inhospitable t… ...