Centuries-old trees can hold clues about global weather patterns. A new UA study unlocked some of those clues.

Dendrochronology is the practice of using tree rings to determine the age of a tree. But tree rings have a lot more to tell ...

Discovering evidence of deadly deluges of snow from the past could help protect people on mountains around the world, researchers say. By Katherine Kornei A rumble, a deluge of snow and then silence — ...

“I was really excited,” said researcher Ignacio Mundo. “The last ring corresponds to 1849, and knowing the Dolphin was launched in 1850 — you say, okay, we are really close.” PROVIDENCE — For years, ...

A new study leveraging 20,000 tree-ring records and nearly 150 scientists' contributions from across the globe shows that, while droughts appear to have had a modest impact on tropical tree growth in ...

The so-called megadrought that is afflicting the American West is the worst in 1,200 years, according to a study published this week. It has dried up water supplies, threatened ranchers and fueled ...

Research conducted by UA researchers over the last two years has doubled the previous knowledge researchers had about climate variability in the Upper Colorado River Basin. A recent project conducted ...

This story originally appeared on Ars Technica, a trusted source for technology news, tech policy analysis, reviews, and more. Ars is owned by WIRED's parent company, Condé Nast. A recent study ...

Tree rings are not just a great record of a tree’s life, but they can preserve a snapshot of the Earth and beyond at different times. Now Australian scientists analyzing these records have found ...

During the so-called Little Ice Age, medieval European were afflicted with bitterly cold winters and unusually mild summers. Extreme weather disasters became more common, bringing with them the ...