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InSight’s seismometer deployed on Mars
Posted inNews

First Possible Marsquake Detected

Kimberly M. S. Cartier, News Writing and Production Intern for Eos.org by Kimberly M. S. Cartier 26 April 201922 June 2022

First earthquakes, then moonquakes, now marsquakes: a robotic lander comes through with the first detection of seismic activity on Mars.

Thóra Árnadóttir setting up GPS instrument in Iceland
Posted inResearch Spotlights

A New Way of Visualizing Iceland’s Crustal Deformation

by Terri Cook 24 April 20196 October 2021

A novel method of calculating strain rates from GPS data shows the South Iceland Seismic Zone is experiencing rapid deformation, including inflation near the island’s most active volcano.

A 1970 nuclear test at Mururoa atoll, French Polynesia
Posted inEditors' Vox

Measuring Explosive Events on Earth from the Ionosphere

by C. Y. Huang, J. F. Helmboldt, J. Park, T. R. Pedersen and R. J. Willeman 12 April 201919 October 2021

Natural and manmade explosive events occurring on or below the Earth’s surface can be measured remotely in different ways and different places from the ionosphere.

An artist’s rendering of the Mars Express spacecraft
Posted inResearch Spotlights

The Accidental Particle Accelerator Orbiting Mars

by Mark Zastrow 3 April 201920 October 2021

The radar aboard the Mars Express spacecraft can generate ion beams arcing through space above the planet, which could lead to a new way of studying the plasma surrounding it.

A dummy instrument familiarizes a resident with the critical zone observatory project collecting data near his home.
Posted inScience Updates

Monitoring Ecosystem Health in India’s Food Basket

by S. Gupta, S. H. Karumanchi, S. K. Dash, S. Adla, S. Tripathi, R. Sinha, D. Paul and I. S. Sen 20 March 20196 February 2023

A new critical zone observatory in India’s Ganga Basin helps researchers and farmers understand and improve the ways that human activities shape environmental processes.

An up-close look at the new antenna design
Posted inResearch Spotlights

New Antenna Design Could Improve Satellite Communications

by David Shultz 14 March 201910 March 2022

A novel antenna design promises to improve bandwidth and allow for better communication between Earth stations and satellites.

The mayfly Epeorus pleuralis, after which a new water sensor is named.
Posted inScience Updates

A Digital Mayfly Swarm Is Emerging

by S. Ensign, D. Arscott, S. Hicks, A. Aufdenkampe, T. Muenz, J. Jackson and D. Bressler 6 March 201928 February 2024

Low-cost, open-source data collectors and a suite of collaborative online tools are making big leaps in the field of watershed monitoring.

Seismic tomography imaging shows a portion of a “blob” that sits at the base of the mantle below Africa.
Posted inFeatures

The Unsolved Mystery of the Earth Blobs

Jenessa Duncombe, Staff Writer by Jenessa Duncombe 27 February 201927 January 2023

Researchers peering into Earth’s interior found two continent-sized structures that upend our picture of the mantle. What could their existence mean for us back on Earth’s surface?

An aurora over Alaska, one of the vibrations of the universe
Posted inNews

Deaf Students Feel the Universe’s Vibrations in New Workshop

Kimberly M. S. Cartier, News Writing and Production Intern for Eos.org by Kimberly M. S. Cartier 20 February 201910 January 2023

Students experienced the vibrations of Earth’s auroras, the Sun’s flares, Jupiter’s bow shock, and Saturn’s rings in an outreach activity designed specifically for their community.

NASA administrator Jim Bridenstine lunar exploration
Posted inNews

NASA Wants to Get Back to the Moon, and Fast

by Randy Showstack 15 February 201920 December 2023

The space agency has plans for a sustainable return to the Moon.

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Over a dark blue-green square appear the words Special Report: The State of the Science 1 Year On.

Features from AGU Publications

Research Spotlights

What Makes Mars’s Magnetotail Flap?

20 April 202620 April 2026
Editors' Highlights

Weather Radar Data Reveal the Dynamics of Rapidly Spreading Wildfires

21 April 202616 April 2026
Editors' Vox

Can Any Single Satellite Keep Up with the World’s Floods?

20 April 202620 April 2026
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