Few know where the oldest tree in the world is – the Forest Service doesn't reveal the exact location to protect it. Here's what we do know about it.

In the depths of a Chilean rainforest stands the 'Gran Abuelo,' an approximately 5,400-year-old tree fighting for survival. A ...

The Patriarch Tree is the world's largest bristlecone pine tree. The oldest tree in the world: Meet 'Methuselah,' a literal hidden gem. "The concern comes from the weather. The increased winds ...

Empires have risen and fallen, languages have been born and forgotten — but this tree stood the test of time ... The species is also one of the most climate-sensitive trees in the world. Each ring ...

The Patriarch Tree is the world's largest bristlecone pine tree. The oldest tree in the world: Meet 'Methuselah,' a literal hidden gem. "The concern comes from the weather. The increased winds ...

In the depths of a Chilean rainforest stands the 'Gran Abuelo,' an approximately 5,400-year-old tree fighting for survival. A highway project now threatens its existence — and the ecosystem ...