Tree rings hold clues about ancient solar storms. New research shows tree growth and carbon storage can shift those signals across years.

High on a windswept Nevada mountainside in the 1960s, a young researcher set out to read the history of climate written in ...

Weather patterns like heat waves or dry spells can sometimes stall over one region. A new University of Arizona study found clues about why. The researchers analyzed tree rings from centuries-old ...

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 ...

Horizontal cross sections cut through a trunk of a tree can tell us a little about the history of a tree in its own time ...

A historic Hunter Creek Valley building was excavated and tree-ring dated on Friday, Sept. 20. The building, which experts think housed farm animals, is made of wood that is around two centuries old, ...

If you cut down a tree, you can read in the wood an environmental record. Now climate change is complicating the narrative. In a basement in Tucson, Ariz., slices of tree trunks stand on shelves. They ...