Scientists quickly pronounced the summer 2021 heat wave that hit western North America to be unprecedented, but they had no long-term physical proof. Now they do.

In 1858, a sailing ship left Warren, R.I., to hunt the globe for whales, and never returned. Where did it end up? Researchers from the southern and northern hemispheres joined to investigate.

En 1858, un velero partió de una ciudad costera del noreste de Estados Unidos para cazar ballenas alrededor del mundo y nunca regresó. ¿Dónde terminó? Investigadores de los hemisferios sur y norte se unieron para dar respuesta a este misterio.

Scientists are uncovering centuries of climate data and human history from giant old timbers saved from demolished structures.

Un nuevo Atlas Sudamericano de Sequía revela que las sequías severas expandidas y los períodos inusualmente húmedos sin precedentes han ido aumentando desde mediados del siglo XX.

A new South American Drought Atlas reveals that unprecedented widespread, intense droughts and unusually wet periods have been on the rise since the mid-20th century.

A simple fascination with winter and weather patterns led D’Arrigo to become a globe-trotting scientist who collects and analyzes important data from tree rings.

Using old tree rings and archival documents, historians and climate scientists have detailed an extreme cold period in Scotland in the 1690s that caused immense suffering. It may have lessons for Brexit-era politics.

On a peninsula within sight of New York City, researchers are studying trees dating as far back as the early 1800s. Rising seas and more powerful storms, both fueled by climate change, could eventually spell their end.

Centuries-old trees on a peninsula near New York City could provide an important record of past storms. Researchers recently traveled there to sample the trees before they are wiped out by rising seas and powerful storms.