As a descendant of an Indigenous Amazonian tribe, Maria Astolfi was concerned about research she conducted as a graduate ...

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

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