WhileJ.R.R. Tolkien's detailed history of his fictional world includes thousands of years ... but his family history plays a ...

In the quiet reaches of California’s White Mountains, one tree has survived through 4,800 years of storms, droughts, empires, ...

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

Called crossdating, the process has established tree-ring chronologies for many areas around the world. Some of these ... have constructed a continuous history of tree rings that stretches back ...

In the depths of a Chilean rainforest stands the 'Gran Abuelo,' an approximately 5,400-year-old tree fighting for ... climate-sensitive trees in the world. Each ring inside its trunk is a yearly ...

The ultimate tree-ring chronology is the 'master' timeline of bristlecone pines - a chronology spanning more than 9,000 years. Methuselah is a bristlecone pine, and the world's oldest living thing.

Using tree-ring data from ancient oaks, the team reconstructed rainfall levels in southern Britain during the years preceding ...