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 ...

There’s no precedent in at least five centuries for how hot and dry the West has been in the last two decades, new research asserts using analysis of tree rings. The study, published in late January, ...

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 ...

Three consecutive years of drought contributed to the 'Barbarian Conspiracy', a pivotal moment in the history of Roman Britain, a new study reveals. Researchers argue that Picts, Scotti and Saxons ...

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 ...

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 ...

Last year's summer was the hottest in 2,000 years, ancient tree rings reveal. Researchers already knew that 2023 was one for the books, with average temperatures soaring past anything recorded since ...

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 ...