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The Mars 2020 Perseverance rover is seen on Mars’s surface in a selfie assembled from several images taken by the rover’s robotic arm. One of the rover’s sample caching tubes is on the ground in front of the rover.
Posted inFeatures

The Past, Present, and Future of Extraterrestrial Sample Return

by Jemma Davidson and Jessica Barnes 17 July 202423 October 2024

Retrieving samples from distant solar system bodies has revolutionized our understanding of the cosmos and our place in it.

A scientist in a silver suit inserts a long metal tube into glowing orange lava and dark gray rock.
Posted inNews

How Liquid Is That Lava?

by Rebecca Owen 12 July 202419 August 2024

A new device helps scientists measure lava viscosity during active flows.

A mostly rectangular, man-made structure several stories tall sits among trees along a mountain ridge, against a dim sky. The structure is mostly white colored and has two large, round telescope dishes nested in between taller sections of the building and angled skyward.
Posted inResearch Spotlights

Supersharp Images Reveal Scars of Major Eruption on Io

Sarah Stanley, Science Writer by Sarah Stanley 3 July 20243 July 2024

Jupiter’s volcanic moon is captured in exquisite detail by an instrument atop a mountain in Arizona.

Aerial view overlooking the Süleymaniye Mosque (foreground), the Golden Horn inlet, and other parts of Istanbul, Türkiye, at dawn
Posted inScience Updates

Telecom Fibers Are Sensing Earthquake Hazards in Istanbul

by Daniel Bowden, Ebru Bozdag, Ali Shaikhsulaiman, Andreas Fichtner and Özgün Konca 21 May 202428 May 2024

A fiber-optic cable below Türkiye’s earthquake-prone metropolis is offering new details about how seismic waves will rattle the city—and demonstrating the potential of a bigger monitoring effort.

A scientist kneels in the snow with instruments to measure it with a wide view of the Chugach Mountains.
Posted inNews

Changing Snowpack Inspires New Measurement

by Amy Mayer 3 May 20243 May 2024

Climate change is bringing increased variability to annual snowfall, which affects how much water is stored for ecosystem and human use.

O Sol foi fotografado no centro de Nevada durante o eclipse anular de 14 de outubro de 2023.
Posted inNews

Radioamadores Foram Usados Para Obter Informações sobre a Ciência Ionosférica Durante o Eclipse

Kimberly M. S. Cartier, News Writing and Production Intern for Eos.org by Kimberly M. S. Cartier 10 April 202410 April 2024

Operadores de rádio amadores que estudam a física espacial e a atmosfera superior investigaram a resposta da ionosfera ao eclipse solar anular de 2023 usando transmissões de ondas curtas.

An Apollo 11 astronaut installs a seismometer on the lunar surface. Footprints are visible in the lunar regolith, and the seismometer is a shiny device about the size of a kitchen table.
Posted inNews

Fiber-Optic Networks Could Reveal the Moon’s Inner Structure

by Elise Cutts 3 April 202414 May 2024

Distributed acoustic sensing offers a cost-effective alternative to traditional seismic arrays, and building such a network on the Moon might be possible.

Houses and roads in a shallow bay with green mountains in the background
Posted inNews

American Samoa’s Sinking Land Speeds Up Sea Level Rise

Kimberly M. S. Cartier, News Writing and Production Intern for Eos.org by Kimberly M. S. Cartier 29 March 202429 March 2024

A new interactive tool is helping residents understand how their lands and homes are at risk.

A close-up photo of a large satellite, which extends out of the frame of the photo.
Posted inResearch Spotlights

Out With the Old, in With the Cold

Sarah Stanley, Science Writer by Sarah Stanley 28 March 202428 March 2024

A 12-meter telescope at the Arecibo Observatory gets outfitted with a wideband cryogenic system to expand its capabilities.

Three views of a stone point made during the Middle Stone Age
Posted inNews

Stone Age Humans Chose Their Rocks with Care

by Nathaniel Scharping 19 March 202426 March 2024

Ancient humans possessed sophisticated knowledge of the properties of the stones they used to make tools.

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Features from AGU Publications

Research Spotlights

Early Apes Evolved in Tropical Forests Disturbed by Fires and Volcanoes

12 June 202511 June 2025
Editors' Highlights

Coverage Factors Affect Urban CO2 Monitoring from Space

12 June 202512 June 2025
Editors' Vox

Rising Concerns of Climate Extremes and Land Subsidence Impacts

9 June 20254 June 2025
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