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Earth science

A researcher in a hard hat sits in a backlit cave with a small metal instrument.
Posted inNews

Major Droughts Coincided with Classic Maya Collapse

Kimberly M. S. Cartier, News Writing and Production Intern for Eos.org by Kimberly M. S. Cartier 24 September 202524 September 2025

Understanding how individual cities responded to climate stress will help create holistic pictures of how these societies functioned.

Bison graze on green grass at Yellowstone National Park near a wire exclosure used to measure grasses.
Posted inNews

Free-Roaming Bison Graze Life into Grasslands

by Rebecca Owen 24 September 202524 September 2025

A new study suggests that Yellowstone’s herd of bison accelerates nutrient cycling, offering a glimpse into the North American plains of yesteryear.

A view across Auckland’s suburbs and harbors with the volcanic cone of Mount Wellington in the foreground.
Posted inNews

“Passion Project” Reveals Auckland’s Hidden Urban Faults

by Kate Evans 23 September 202523 September 2025

An innovative analysis has identified 10 likely and 25 possible faults in the region.

Photo of a glacier.
Posted inEditors' Vox

How Glacial Forebulges Shape the Seas and Shake the Earth

by Christian Brandes, Holger Steffen, Rebekka Steffen, Tanghua Li and Patrick Wu 23 September 202519 September 2025

A glacial forebulge is a bending-related upheaval of the lithosphere that has a strong effect on the sea level change pattern and on lithospheric stresses, which can induce intraplate earthquakes.

Mount Pinatubo, Philippines, erupts in 1991.
Posted inNews

Volcanic Eruptions in One Hemisphere Linked to Floods in the Opposite One

by Grace van Deelen 22 September 202522 September 2025

Asymmetric volcanic plumes may shift equatorial weather patterns and increase tropical stream flow, according to new simulations.

Artist’s rendering of Earth’s horizon from space with an asteroid entering the atmosphere
Posted inNews

Submerged Crater near Europe Tied to an Impact

Katherine Kornei, Science Writer by Katherine Kornei 20 September 202520 September 2025

New subsurface imaging and rock samples suggest that Silverpit Crater formed from an impact that occurred roughly 45 million years ago.

A researcher wearing waders stands ankle deep in muddy sediment, bending over to extract a water sample from the sediment using a plastic syringe.
Posted inScience Updates

Tracing Iron’s Invisible Transformations Just Beneath Our Feet

by Andrew R. C. Grigg, Katrin Schiedung, Joëlle Kubeneck and Ruben Kretzschmar 19 September 202519 September 2025

A new method that adds synthetic iron minerals to soils sheds light on hard-to-observe soil and sediment processes and may have a host of other applications in the Earth sciences and beyond.

Drone image of beaver pond complex in Wyoming. A group of around five humans stands on a rock near the pond’s edge on a sunny day. Green wetland vegetation rings the open ponds of water, with beaver dams visible across the stream. Vegetation on either side of the stream is in drier conditions, visible by species and color of soil and plants.
Posted inNews

What Makes Beaver Ponds Bigger?

by Mack Baysinger 18 September 202518 September 2025

For the first time, researchers are able to add hydrologic estimates to find where reintroducing beavers could best benefit a watershed and the humans who live within it.

A woman with blonde hair, seated, speaks into a microphone. A name placard reads "Ms. Greene," and "Chairwoman."
Posted inResearch & Developments

Geoengineering Fears on Display at Congressional Hearing

by Grace van Deelen 16 September 202516 September 2025

Misunderstandings and disinformation abounded at a 16 September hearing of the Subcommittee on Delivering on Government Efficiency about geoengineering—efforts to alter Earth systems for the purpose of mitigating climate change.

Tres hombres con chaquetas amarillas y cascos están de pie junto a un árbol talado o caído. El aire a su alrededor es polvoriento, y uno de ellos levanta un terrón.
Posted inFeatures

Donde hay fuego, hay humo

by Emily Dieckman 16 September 202516 September 2025

Utilizando los instrumentos de monitoreo existentes y nuevos, investigadores trabajan para comprender mejor la calidad del aire durante y después de los incendios forestales de Los Ángeles.

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Research Spotlights

Unveiling What’s Under the Hood in AI Weather Models

30 September 202530 September 2025
Editors' Highlights

New Evidence for a Wobbly Venus?

29 September 202525 September 2025
Editors' Vox

All Publish, No Perish: Three Months on the Other Side of Publishing

29 September 202525 September 2025
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