An enormous solar storm that occurred 7,000 years ago has helped archaeologists to date an ancient settlement in northern Greece. A spike in radiocarbon was spotted in the wood from which these ...

Dendrochronology uses tree growth rings to establish precise calendar dates for wooden objects and structures. Seasonal ...

A rumble, a deluge of snow and then silence — avalanches can be deadly, but they often leave behind little enduring evidence of their passage. Now, researchers have turned to tree rings to reconstruct ...

Archaeological tree-ring dating: origins and principles -- Lord of the rings: A.E. Douglass and the development of archaeological tree dating, 1914-1929 -- Tree-ring dating at the University of ...

A study of tree rings in the Gaspesie's Sainte-Anne River area reveals that snowpacks have been declining noticeably in the region's mountains for nearly nine decades. The researchers say the ...

A photo of a shipwreck, buried in silt for centuries and containing cargo in unbroken ceramic vessels, drew the only gasps at a recent seminar on the archaeology of the Mediterranean at the University ...

Scientists have long relied on tree rings to learn about ancient solar storms—rare bursts of high-energy particles from the sun that can disrupt satellites, power grids, and communication systems ...

LARAMIE, Wyo. (AP) — A study of tree rings dating back 750 years show previous droughts have in the West have persisted for decades.