(The rings of ancient bristlecone pines like Methuselah are more challenging to count, because the ... information to be gleaned from growth rings than simply a tree's age. This information ...

Scientists studying pine trees and juniper shrubs in northern Scandinavia are revealing the weather of the past by looking at tree rings — which can tell us far more than just the trees’ age. ‘Blue’ ...

How extreme weather leaves a lasting mark on trees and shrubs POZNAŃ, Poland — In the Arctic’s harsh borderlands, where trees ...

Volcanic eruptions and cold summers leave lasting marks in the wood of northern trees, unlocking the secrets of past climate extremes.

In Norway, scientists have found blue rings in trees that hint at how volcanic eruptions disrupted growth throughout history.

These samples and shrubs revealed several characteristic “blue rings”, representing the years when they did not grow properly due to the cold climate. Trees require warm periods in a year to ...

Tree rings can reveal more than just a tree's age. The basis of dendrochronology lies in a tree's unique pattern of growth rings. The rings form a kind of fingerprint—actually, with its ...