Most people are familiar with the notion that "tree rings" — the concentric bands visible on a cross-section of a tree's trunk — serve as an indicator of a tree's age. Researchers at the University of ...

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 ...

A new UA study uses tree-ring data to reconstruct Colorado River flows over the past 500 years. The study could have a significant impact on water use in the West and further emphasizes the need for ...

The broiling summer of 2023 was the hottest in the Northern Hemisphere in more than 2,000 years, a new study found. When the temperatures spiked last year, numerous weather agencies said it was the ...

Jasmine Demers Nov 23, 2019 Nov 23, 2019 Updated May 15, 2020 For years, scientists have studied trees to learn about yearly rainfall, temperature and climate over time. Now, a University of Arizona ...

Contrary to what people might think, North American forests are burning less, not more, according to new data. A study published in Nature Communications reveals how this trend may be causing more ...

This is an archived article and the information in the article may be outdated. Please look at the time stamp on the story to see when it was last updated. The broiling summer of 2023 was the hottest ...