Earth Science

RECENTLY PUBLISHED

As Ice Recedes and Land Rebounds, Antarctica’s Mineral Resources Come into Focus

Arctic Winter Sea Ice Hits a Record Low, Again

Drilling Down to Open Up New Understanding of Earth’s Continents

What’s Under the Water Matters

geochronology

geodes

geodesy

Rivers

Models Reveal Imprint of Tectonics and Climate on Alluvial Terraces

Denitrification Looks Different in Rivers Versus Streams

The evolving landslide threat at Farwell Canyon on the Chilcotin River in British Columbia

New River Chemistry Insights May Boost Coastal Ocean Modeling

“To understand how humans are changing the planet, we first need to know how the planet changes on its own.”
Mike Weber, ” Sediments Offer an Extended History of Fast Ice”

EARTH SCIENCE ARCHIVE

Scientists Remap Earth’s Gravity

An uncommon way of looking at the world reveals the evolution of a deep gravity hole beneath Antarctica.

by Tom Metcalfe

Shrinking Sea Ice Is Ruffling Emperor Penguins’ Feathers

A scientist stumbled upon evidence of penguin molting sites in satellite data, but the sea ice these birds rely on is disappearing.

by Andrew Chapman

Volcanism Could Lead to Less, Not More, Atmospheric CO₂

The atmospheric concentration of carbon dioxide temporarily fell by 50% immediately preceding a period of intense volcanism, likely because of increased weathering, new results reveal.

by Katherine Kornei

Rates of Mineral Dissolution from the Flask to Enhanced Weathering

Assessing the rate that weathering could draw carbon dioxide out of the atmosphere requires understanding why lab- and field-based rate measurements differ by orders of magnitude.

by Susan L. Brantley

Long-Term and Recent Activity of the Brenner Fault Finally Reconciled

A novel application of an established dating method, namely electron spin resonance, provides constraints on the timing and relative movements of the Brenner Fault walls during the Quaternary.

by Maria Giuditta Fellin

How Frozen Ground Controls Water in a Warming World

Frozen ground acts like a hidden underground dam. As it thaws, water pathways shift, changing rivers, wetlands, ecosystems, and infrastructure across cold regions.

by Ying Zhao

Scientists Discover South America’s First Space Glass Fields, in Brazil

Tektites, rare natural glasses formed by ancient asteroid impacts, were found stretching across more than 900 kilometers of the country’s interior.

by Sofia Moutinho

Salt: A Vital Compound for Science and Society

From salt basins in the Persian Gulf to lithium reserves in Chile, evaporite minerals accumulate in sedimentary basins under tectonic and climatic processes of significance to scientists worldwide.

by Webster Mohriak

Tides Generate Detectable Electrical Signals in Coastal Aquifers

Spontaneous potentials show possibility for monitoring coastal saltwater intrusion.

by Maxim Lebedev and Douglas R. Schmitt

Tracing the Eruption History of a Volcano in a Tourist Hot Spot

Sediment cores extracted from deep under the Aegean Sea reveal the timing of explosive eruptions of Kolumbo Volcano and a potential link to neighboring Santorini.