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Sepia-toned photograph of two diamonds pressing a sample between their points
Posted inFeatures

Reflecting on a Half Century of Mineral and Rock Physics at AGU

by R. C. Liebermann 24 June 202030 September 2023

Research fields focused on the physical properties of Earth materials emerged in the 20th century and have been making major contributions within geoscience ever since.

A man backpacks up a rocky trail to an air-sampling station
Posted inNews

Radioactive Bookkeeping of Carbon Emissions

Sarah Derouin, Science Writer by Sarah Derouin 22 June 20207 March 2022

A new sampling method uses carbon-14 to single out which carbon dioxide molecules in the atmosphere derive from fossil fuels. The method could help track emissions goals for climate mitigation.

A view of Ecuador’s Cotopaxi volcano
Posted inNews

Podcast: Instruments of Unusual Size

by Lauren Lipuma 15 June 20202 May 2022

Rumbling volcanoes act like giant musical instruments that researchers can study to better monitor eruptions.

Snapshot from animation frozen on the Pangaea supercontinent in the early Mesozoic
Posted inNews

Visualizing the Deep Carbon Cycle

by C. Fogerty 12 June 20207 October 2021

Geoscientists have created animations to help visualize different components of Earth’s carbon cycle.

Argentina’s Pierre Auger Observatory at night
Posted inScience Updates

Catching Elves in Argentina

by K.-D. Merenda, R. Mussa and L. Wiencke 5 June 202012 April 2022

The world’s largest cosmic ray detector accidentally spotted elves, an unusual lightning phenomenon high in the atmosphere. Now it’s intentionally looking for more.

Close-up of one African elephant in a herd in South Africa
Posted inNews

Monitoring African Elephants with Raspberry Shake & Boom

Javier Barbuzano, Science Writer by Javier Barbuzano 28 May 20205 April 2023

A team of researchers has used low-cost devices to record footsteps and vocalizations from African elephants in the field.

GEER scientists examine geologic samples in the GEER chamber after a test
Posted inNews

Venus Exploration Starts in the Lab

Kimberly M. S. Cartier, News Writing and Production Intern for Eos.org by Kimberly M. S. Cartier 28 May 202022 November 2021

Most technology would not last a day on our planet’s evil twin. By creating Venus’s surface and atmospheric conditions here on Earth, a team of engineers is designing spacecraft technology that will last for months.

Map of Axial Seamount’s summit caldera
Posted inEditors' Highlights

Volcano Monitoring Goes Offshore

by Yosuke Aoki 26 May 20202 August 2022

Offshore observations by cabled ocean-bottom pressure recorders have revealed details of the 2015 eruption of Axial Seamount submarine volcano in the Pacific Ocean.

Schematic of how oscillations inside Saturn generate spiral density waves in the rings
Posted inEditors' Highlights

Using Saturn’s Rings as a Seismometer

by F. Nimmo 12 May 202024 May 2023

The Cassini spacecraft observed spiral density waves in the rings of Saturn which can be used to probe its interior structure and rotation.

Snapshot of particle velocities observed in the direction of the fault 69.5 microseconds after nucleation
Posted inEditors' Highlights

Ultrahigh Speed Movies Catch Growing Earthquake Ruptures

by Douglas R. Schmitt 1 May 20206 October 2021

Comparing successive frames from ultrahigh speed videos of propagating fractures allowed laboratory researchers for the first time to capture the fine details of of a propagating earthquake rupture.

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ARMing SCREAM with Observations to Expose Cloud Errors

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Water Tracks: The Veins of Thawing Landscapes

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