Roughly 42,000 years ago, Earth’s magnetic field weakened dramatically during the Laschamps geomagnetic excursion, allowing more cosmic radiation to reach the atmosphere. In a peer‑reviewed study of ...

The researchers developed a precipitation timeline from the 1500s to the present. Recent decades stood out to them for their extreme patterns of intense rainfall events and severe droughts.

HARRIS COUNTY, Texas (KTRK) -- Charges have been dismissed against a former Klein ISD teacher who was accused of running a teen prostitution ring with her son, online records state. In 2024, ...

He indicated that, the university plans to continue training students and researchers in dendrochronology and dendroclimatology to support climate monitoring, forest management, and climate change ...

New research published in Nature Ecology and Evolution reveals significant recent shifts in tree diversity among the tropical forests of the Andes and Amazon, driven by global change. The study, led ...

PORTLAND, Ore. (KOIN) — Downtown Portland saw thousands of people gather for the annual Tree Lighting Ceremony at Pioneer Courthouse Square. Now in its 41st year, many community members have made ...

A new startup—Sandbar—has launched the Stream Ring, an AI-powered smart ring that takes a completely different approach to the burgeoning form factor. While the market—dominated by Oura—has thus far ...

In the quest to uncover the mystery behind the fall of the once-vibrant Cahokia, archaeologists have turned to an unexpected source: tree ring records, aka dendrochronology. By 1150 AD, Cahokia, once ...

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 ...

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 ...

Top: The Rossby wavenumber-5 pattern is shown with the black line (median) and gray ribbon (full zonal range of preferred phase). The authors define the wave5-PC index to express the number of weeks ...

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 ...