The challenge is to find forests with both strong climate-growth relationships and trees over a century old — substantially ...

Until Tuesday, the tree's tumble hadn't been shown publicly, but discovery of the fallen tree reverberated across the United ...

Deep in Chile’s rainforest stands the Gran Abuelo — a 5,000-year-old tree that holds the secrets of our climate history. But ...

Arbor Day volunteers planted new trees across the country Friday — much as they’ve done for the past 150 years — but ...

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