During her summer travels to her native Belgium, University of Arizona professor Valerie Trouet noticed something that turned casual curiosity into a major scientific discovery: when the sun hid ...

Tree cores pulled from some of the planet’s oldest trees have helped extend records of past weather.

New data on over 1,500 trees across nearly 1,000 sites shows that an existing theory of how individuals within a species will respond to a changing climate might not be true. The data, in the form of ...

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 ...

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 ...

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 ...

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 ...