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A scientific instrument being lowered from a research vessel into the ocean
Posted inNews

Deep-Sea Pressure Crushes Carbon Cycling

by Elise Cutts 11 January 202331 January 2023

The extreme pressure in the deep sea stifles microbes’ appetite for organic carbon. This finding could have important implications for carbon budgets and geoengineering.

Aerial view of Earth with part of a satellite visible
Posted inNews

Earth’s Orbit Is About to Get More Crowded

by Sarah Scoles 10 January 202310 January 2023

The military is launching a fleet of small, interconnected satellites to collect data, track missiles, and aim weapons.

An artist’s rendering of Earth covered in ice
Posted inNews

How Animals May Have Conquered Snowball Earth

by Chris Baraniuk 9 January 202323 January 2023

We know there were animals during Earth’s chilliest era. The question is, What did they look like?

Una vista del Ártico congelado vista desde una elevación moderada. El paisaje contiene estanques de agua derretida distribuidos aleatoriamente. Cuatro científicos, pequeños y vistos desde la distancia, se paran sobre el hielo en la parte derecha de la imagen.
Posted inNews

El derretimiento del hielo marino del océano Ártico potencia las mareas

by Kimberly M. S. Cartier 3 January 202327 January 2023

Si el cambio climático anula el ciclo estacional de hielo y deshielo, se desencadenaría un ciclo de retroalimentación de derretimiento del hielo marino en algunas partes del Ártico canadiense.

A cloudy sky above a landscape of evergreens and trees lacking any leaves, a cascade of beaver ponds cuts through the forest. On the right side of one of the ponds, a moose stands with its head down, reflected in the water.
Posted inNews

Scientists EEAGER-ly Track Beavers Across Western United States

by Alka Tripathy-Lang 3 January 20233 January 2023

Efficiently tracking nature’s engineers—beavers—at the scale of entire watersheds over time is now possible, thanks to a new artificial intelligence–trained model called EEAGER.

Collage of images, clockwise from the top: the Tarantula Nebula, with white and rust-colored clouds and stars peeking through; a diagram in white and blues showing the new water cycle; a cityscape with many trees with fall-colored leaves; a tall white rocketlike structure with the word "DART" and a blue logo stands against a blue and white sky; a blue and gold cover of Eos with many science illustrations on it; a painting by Monet of the Houses of Parliament in London with smoglike gray partially obscuring the structure and the Sun; three buildings from Harvard, Penn State, and Yale
Posted inNews

Our Favorite Science Stories of 2022

by AGU 28 December 202228 December 2022

Which Earth and space science stories stood out this year?

On the right is the first stratigraphic section of the Grand Canyon, from Powell’s 1875 report, showing what would later be termed the Great Unconformity. A is the metamorphic basement—the oldest rocks that have been contorted. B is the Precambrian Grand Canyon Supergroup, which is composed of tilted sedimentary rocks that lack fossil assemblages. C indicates flat-lying Paleozoic rocks, which contain fossils marking the explosion of life. Two unconformities can be seen at x and y, with the former marking the Great Unconformity. The image on the left is a recent photograph of the Grand Canyon from Walhalla Plateau, with the red line showing the Great Unconformity. Blue lines trace the tilted layers below the famed surface, and yellow lines trace the flat-lying sedimentary rocks on top.
Posted inNews

The Great Unconformity or Great Unconformities?

by Alka Tripathy-Lang 23 December 202231 January 2023

Some scientists think the Great Unconformity was caused by Snowball Earth’s glaciations. Recent work suggests these phenomena might not be related.

A drone hovers over a beach.
Posted inNews

Drones Make Weather Prediction Easier at the Poles

by Andrew Chapman 23 December 202223 December 2022

Researchers measured wind speed with a commercially available drone and a lightweight sensor. The approach could help scientists gather more data from remote environments.

Building entrance.
Posted inNews

Twenty Years of NSF Funding Show Racial Disparities

by Jenessa Duncombe 21 December 202221 December 2022

White principal investigators won a disproportionate share of National Science Foundation funding between 1996 and 2016, according to an analysis of public data.

Rows of green leaves and grass grow between the dry stubble of already harvested wheat.
Posted inNews

Satellite Data Reveal Uptick in Cover Cropping on Farms

by Katherine Kornei 20 December 202220 December 2022

Over the course of a decade, farmers growing corn and soybeans in the U.S. Midwest increased their adoption of cover cropping—a tenet of so-called conservation agriculture—by fourfold.

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Features from AGU Journals

RESEARCH SPOTLIGHTS
JGR: Solid Earth
“New Tectonic Plate Model Could Improve Earthquake Risk Assessment”
By Morgan Rehnberg

EDITORS' HIGHLIGHTS
AGU Advances
“Eminently Complex – Climate Science and the 2021 Nobel Prize”
By Ana Barros

EDITORS' VOX
Perspectives of Earth and Space Scientists
“New Directions for Perspectives of Earth and Space Scientists”
By Michael Wysession


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