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Perhaps you’ve wandered through a forest or strolled into a neighborhood park and found tree trunks — and wondered if counting the rings on a trunk is truly a way to know the tree's age. "Most of us ...

Perhaps you’ve wandered through a forest or strolled into a neighborhood park and found tree trunks — and wondered if counting the rings on a trunk is truly a way to know the tree’s age. “Most of us ...

An international team of scientists have discovered a huge spike in radiocarbon levels 14,300 years ago by analyzing ancient tree-rings. The radiocarbon spike was caused by a massive solar storm, the ...

A University of Queensland study has shed new light on a mysterious, unpredictable and potentially devastating kind of astrophysical event. A team led by Dr. Benjamin Pope from UQ's School of ...

A new study shows how information revealed by a new method of analyzing tree rings matches the story told by more high-tech equipment over the short-term. Because trees are long-lived, looking back in ...

Two hundred and forty-one years ago, when General George Washington marched back into New York City as British troops were walking out, a volcano erupted in Iceland. For eight months in 1783, Laki ...

If a tree's rings are studied in a lab but no one hears them, do they make noise in the climate movement? An associate professor of oboe at the University of Arizona wondered. It led her to team up ...

The activity below allows you to build a tree-ring chronology. Each horizontal bar represents the tree-ring pattern for one tree. By looking for matches in the patterns, you should be able to build an ...