Add Yahoo as a preferred source to see more of our stories on Google. Last summer, marked by deadly extreme heat and devastating wildfires, was the warmest in at least 2,000 years, according to new ...

A study of tree rings in the Gaspesie's Sainte-Anne River area reveals that snowpacks have been declining noticeably in the region's mountains for nearly nine decades. The researchers say the ...

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 ...

(Science Times): TUCSON, Ariz. — From the early 1700s until the 1960s, the fast moving river of wind known as the North Atlantic Jet Stream, which drives weather extremes over Europe, was pretty ...

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 ...

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 ...

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 ...

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 ...