A climate record of the world over thousands of years is written in the 2 million tree specimens collected by the UA's tree-ring laboratory, an archive now boxed away and stacked floor to ceiling in ...

Cypress tree forest on the seafloor off Alabama reveals how extreme storms and rising seas transformed the coastline 75,000 ...

The bald cypress tree (Taxodium distichum) has been quietly standing sentinel to centuries of ecological change in the murky wetlands of the American Southeast. These towering trees are some of the ...

Tree rings suggest the Northern Hemisphere summer of 2023 was the hottest in 2,000 years, with temperatures exceeding those of the coldest summer in the same period by 7 degrees Fahrenheit (3.9 ...

A collage of photographs of the Colorado pine (Pinus edulis), also known as the pinyon pine, contributed to SEINet, an NSF-supported resource. New NSF-supported research using tree rings shows that in ...

Last summer, marked by deadly extreme heat and devastating wildfires, was the warmest in at least 2,000 years, according to new research, which analyzed weather data and tree rings to reconstruct a ...

Frank's rings reveal clues about past climate conditions — whether periods were cold or dry as the tree developed.

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 ...

TUCSON, Ariz. (KVOA) - A new study from the University of Arizona reveals how historical tree-ring data can help predict extreme summer weather events. Researchers, led by Ellie Broadman, analyzed ...

TUESDAY, Dec. 23, 2025 (HealthDay News) — Trees don’t just clean the air, they also keep a quiet record of the past. New research suggests that tree rings may help scientists uncover missing pieces of ...