By ALYSSA VAN DOORN The Outside Story The longer, warmer days of spring spark phenological changes in trees, from root to tip ...

A single person was silhouetted against the unmistakable shape of the tree as a whining chainsaw tore through the rings that ...

Valerie Trouet, professor at the University of Arizona, spoke about how she studies tree rings to see how they relate to the climate, specifically the frequency of hurricanes.

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