For years, Charlotte Pearson and her colleagues at the University of Arizona Laboratory of Tree-Ring Research have used tree‐ring science to travel back in time, hoping that clues from the past will ...

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 ...

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 ...

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 ...

Tom Swetnam, the director of the Arizona tree-ring lab, grew up with wildfire. His father was a forest ranger in northern New Mexico, and after Swetnam graduated from college in the late 1970s, he ...

In 2024, the Amazon region felt the effects of one of the worst droughts in its recorded history — if not the worst. At the ...

Wild fig tree rings offer a cheap method for tracking toxic atmospheric mercury, a byproduct of gold mining in the Global South, according to a new study. Wild fig tree rings offer a cheap method for ...

Researchers in Japan traced a hidden medieval solar storm using ancient tree rings and centuries-old sky observations. The ...

Charlotte Pearson, associate professor of dendrochronology, and Bryan Black, professor of dendrochronology, are using the TIME Lab’s advanced technology to analyze and date tree rings. For years, ...