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Science Updates

A diver in scuba gear holds a coring device to collect a sample from a coral head on the seafloor in clear, light blue water.
Posted inScience Updates

Clues from the Sea Paint a Picture of Earth’s Water Cycle

by Kristine DeLong, Alyssa Atwood, Andrea Moore and Sara Sanchez 4 May 202225 January 2023

New instrumentation and growing modeling needs in the Earth sciences are driving a renewed effort to compile and curate seawater oxygen isotope data in a centralized, accessible database.

Satellite image of the Mississippi River near Memphis, Tenn., with a false-color overlay
Posted inScience Updates

A Sharper Look at the World’s Rivers and Catchments

by Bernhard Lehner, Achim Roth, Martin Huber, Mira Anand and Michele Thieme 12 April 202210 March 2023

Digital hydrographic maps have transformed global environmental studies and resource management. A major database update will provide even clearer and more complete views of Earth’s waterways.

Rocky high mountain landscape under a clear blue sky, with vegetation and a small lake in the foreground.
Posted inScience Updates

A Puzzle Mat for Assembling Colombia’s Geologic History

by Carolina Ortiz-Guerrero 11 April 202222 February 2023

A new database compiles all the available pieces of information about Colombia’s geochronology, offering scientists a consistent framework in which to view and study the data in a broader context.

Weather instrumentation mounted on stands and towers in a grassy field.
Posted inScience Updates

Chronicling the Hottest, Coldest, Windiest, and Rainiest Weather

by Alex Sterin, Phillip Jones, Blair Trewin, Daniel Krahenbuhl and Randall S. Cerveny 5 April 20229 May 2022

The World Meteorological Organization verifies and documents record-setting temperatures, winds, lightning, and more, offering snapshots of Earth’s extremes and hints about its changing climate.

An illustration of the Solar Orbiter spacecraft near the Sun.
Posted inScience Updates

A New Journey Around (and Around) the Sun

by Daniele Telloni, Francesco Valentini and Raffaele Marino 25 February 202231 January 2023

The Solar Orbiter just completed its commissioning phase while en route to the Sun. It has already provided valuable looks at solar campfires and Venus’s magnetic fields, and it promises much more.

A large iceberg floats amid a field of sea ice.
Posted inScience Updates

New Perspectives on the Enigma of Expanding Antarctic Sea Ice

by Edward Blanchard-Wrigglesworth, Ian Eisenman, Sally Zhang, Shantong Sun and Aaron Donohoe 11 February 2022

Recent research offers new insights on Antarctic sea ice, which, despite global warming, has increased in overall extent over the past 40 years.

Illustration of the surface of early Earth with an orange sky (with a meteorite streaking through it), a green ocean, a large island landmass, an impact crater, and underwater volcanoes.
Posted inScience Updates

Rethinking the Search for the Origins of Life

by Dustin Trail, Jamie Elsila, Ulrich F. Müller, Timothy Lyons and Karyn L. Rogers 4 February 20224 May 2022

Early Earth conditions and the chemistry that led to life were inextricably interwoven. Earth scientists and prebiotic chemists are working together in new ways to understand how life first emerged.

A sunset over the ocean is seen through rope netting on a ship
Posted inScience Updates

Mapping a River Beneath the Sea

by Sebastian Krastel and David C. Mosher 28 January 20227 March 2023

A recent expedition mapped one of the world’s longest submarine channels, revealing previously undiscovered physical features and raising questions about its unusual origin and shape.

A snowcat plows its way through snow with a rocky ridge in the background.
Posted inScience Updates

Sensing Iceland’s Most Active Volcano with a “Buried Hair”

by Sara Klaasen, Sölvi Thrastarson, Andreas Fichtner, Yeşim Çubuk-Sabuncu and Kristín Jónsdóttir 4 January 20221 June 2022

Distributed acoustic sensing offered researchers a means to measure ground deformation from atop ice-clad Grímsvötn volcano with unprecedented spatial and temporal resolutions.

Satellite view of frosty sand dunes on Mars
Posted inScience Updates

Planetary Dunes Tell of Otherworldly Winds

by Timothy N. Titus, Serina Diniega, Lori K. Fenton, Lynn Neakrase and James Zimbelman 22 December 202116 February 2022

On Earth and throughout our solar system, ripples and dunes in sand and dust offer insights into how winds blow, liquid currents flow, and solid particles fly and bounce over the terrain.

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Features from AGU Journals

RESEARCH SPOTLIGHTS
Earth’s Future
“How to Build a Climate-Resilient Water Supply”
By Rachel Fritts

EDITORS' HIGHLIGHTS
AGU Advances
“How Do Atmospheric Rivers Respond to Extratropical Variability?”
By Sarah Kang

EDITORS' VOX
Reviews of Geophysics
“Rare and Revealing: Radiocarbon in Service of Paleoceanography”
By Luke C. Skinner and Edouard Bard

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