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 ...

A Japanese poet wrote in his diary that "red lights" appeared in the sky over Kyoto. An analysis of tree rings suggests a ...

Tom Swetnam, the director of the Arizona tree-ring lab, grew up with wildfire. His father was a forest ranger in northern New Mexico, and after Swetnam graduated from college in the late 1970s, he ...

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 ...

In a recently published paper, PhD student Ellen Waddle and her coauthors provide some clarity on a decades-old problem When researching what drives the growth of small populations, ecologists ...

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 ...