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caves

A cave with white stalagmites and stalactites.
Posted inNews

Cave Deposit Links Greenland’s and Europe’s Climate Records with a German Volcano

by Bill Morris 21 February 202521 February 2025

Dating a late Pleistocene eruption has big implications for understanding the Younger Dryas—and current climate change.

Seen from below, a group of bats hang from a rocky cave ceiling. One has its mouth wide open in a yawn.
Posted inResearch Spotlights

Bat Poop Records Fire History

by Rebecca Dzombak 31 October 20244 November 2024

Charcoal stored in preserved guano gives researchers a new way to reconstruct regional fire histories.

An underwater picture of a scientist wearing red and black waterproof pants and boots standing in thigh-high water on an ancient underwater bridge.
Posted inNews

Underwater Bridge Suggests a Surprising Date for First Migration to Mallorca

by Elise Cutts 8 October 20249 October 2024

A controversial study suggests that humans settled on the Spanish island 1,000 years earlier than archaeologists believe.

A computer simulation on a repeat loop where the viewer approaches a circular pit on the Moon, descends vertically, and then levels out to see an underground cave.
Posted inNews

Lunar Lava Tube Revealed Beneath Collapsed Pit

Kimberly M. S. Cartier, News Writing and Production Intern for Eos.org by Kimberly M. S. Cartier 2 August 20242 August 2024

The Sea of Tranquility is home to at least one lunar lava tube, which could preserve a pristine and unweathered record of lunar volcanism.

A fish swims above a green mat.
Posted inNews

Flash Floods May Support One of the World’s Rarest Fish

by Alix Soliman 5 January 20245 January 2024

Only a few hundred Devils Hole pupfish live in an isolated pool in the desert, where occasional floodwaters roil their habitat.

An image of a beige cave wall shows cave art, drawn in thin black lines. The art depicts animal figures, one of which looks like a lion’s head.
Posted inNews

Carbon Dating Reveals the Timing of Puerto Rican Cave Art

by Grace van Deelen 9 November 20239 November 2023

New dates from cave art pigment add to evidence that Indigenous Puerto Ricans inhabited the island for millennia.

Posted inEditors' Vox

Using Cave Formations to Investigate Ancient Wildfires

by Micheline Campbell, Liza McDonough, Pauline C. Treble and Andy Baker 2 May 20231 May 2023

From sediment cores to speleothems, environmental archives are helping us to understand the history of wildfires.

A layered tan-colored rock on a table with a ruler and quarter for scale.
Posted inNews

Wisconsin Stalagmite Records North American Warming

by Stacy Kish 6 April 20236 April 2023

A speleothem has revealed rapid periods of warming across the interior of the continent during the last glacial period, corresponding to similar events recorded in Greenland ice.

A person stands in a dark cave holding a flashlight.
Posted inNews

Searching for the Sculptor of France’s Caves

Jenessa Duncombe, Staff Writer by Jenessa Duncombe 31 March 202331 March 2023

Spelunking scientists searched for the original source of the French Pyrenees’ magnificent caves.

Topographic projection of a deep pit on Titan.
Posted inEditors' Highlights

Titanic Caves and Where to Find Them

by Laurent G. J. Montési 25 January 202324 January 2023

More than 21,000 pits, depressions, and closed valleys on Titan may provide access to underground voids or caves.

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Features from AGU Publications

Research Spotlights

Mapping the Ocean Floor with Ancient Tides

6 May 20256 May 2025
Editors' Highlights

First Benchmarking System of Global Hydrological Models

7 May 20257 May 2025
Editors' Vox

Decoding Crop Evapotranspiration

6 May 20256 May 2025
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