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Sparse forest of acacia trees and green grasses and patches of ocher-colored soil, separated from the tree-covered hills in the background by a narrow paved road
Posted inNews

Mathematical Insights into the West African Monsoon

Kate Wheeling, freelance science writer by Kate Wheeling 26 August 20205 July 2022

A tool from dynamic systems theory is helping atmospheric scientists identify how dust and moisture mix over West Africa.

People stand in a scrapyard as dark smokes billows from several small fires.
Posted inResearch Spotlights

Tracking Air Pollution from Ghana’s E-Waste Site

Kate Wheeling, freelance science writer by Kate Wheeling 18 August 202013 March 2023

Researchers established a relatively low cost method that could help countries with limited monitoring capabilities measure particulate pollution in their skies.

Plots recording observations of electromagnetic ion cyclotron waves at four different locations
Posted inEditors' Highlights

All Hands on Deck to Catch Ion Cyclotron Waves

by Andrew Yau 7 August 202011 August 2022

An international armada of orbiting satellites and ground VLF network join forces to form a “magnetosphere-ionosphere observatory” to size up electromagnetic ion cyclotron waves in the magnetosphere.

Schematic of the mechanical design of the Heatflow and Physical Properties Package radiometer
Posted inEditors' Highlights

Insights from Calibration of the HP³ Radiometer on InSight

by Kristy Tiampo 27 July 202022 June 2022

A detailed analysis of Heatflow and Physical Properties Package Radiometer on the Mars InSight lander, including changing instrument sensitivity and calibration coefficients.

Satellite image of the Sun in X-rays and ultraviolet light
Posted inNews

Ghostly Particles from the Sun Confirm Nuclear Fusion

Katherine Kornei, Science Writer by Katherine Kornei 14 July 202012 October 2022

Using the Borexino particle detector—located deep underground in Italy—researchers spot elusive neutrinos from the Sun’s CNO cycle.

Satellite image of Soviet airport in 1979
Posted inNews

Five Things Spy Satellites Have Taught Us About Earth

Jenessa Duncombe, Staff Writer by Jenessa Duncombe 6 July 202029 March 2023

Long before we had satellites beaming terabytes of data back to Earth, we had covert spacecraft the size of school buses snapping photos on rolls of film 50 kilometers long.

Lavender colored electrical arcs crackle around a large round instrument that glows blue.
Posted inFeatures

Remaking a Planet One Atom at a Time

Kimberly M. S. Cartier, News Writing and Production Intern for Eos.org by Kimberly M. S. Cartier 24 June 202022 November 2021

When is a planet not a planet? Where does helium rain? How can water be solid and liquid at the same time? For answers, scientists put common planetary materials under extreme pressure and watched what happened next.

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 20206 March 2026

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

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14 May 202613 May 2026
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