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The laser device sits on top of Mount Säntis, shooting a green laser into a cloudy sky.
Posted inNews

How to Bend Lightning with a Laser Beam

by Bill Morris 24 February 202324 February 2023

For the first time, scientists have redirected lightning using a laser beam. And that’s just the start of what’s possible.

Leola Rutherford, dressed in a pink shirt and maroon vest, sits at a roundtable with ANGLE workshop attendees. Two participants are operating earthquake machines.
Posted inNews

Geohazard Education Trainings Foster Resilience in Rural Alaska

by Anna Marie Yanny 13 December 202215 December 2022

National Science Foundation-funded teacher and community workshops boost disaster preparedness optimism among coastal Alaskan educators, whose communities face an array of natural hazards.

View of a bay with buildings and vehicles in the foreground
Posted inFeatures

Seismic Sources in the Aleutian Cradle of Tsunamis

by Rob Witter, Rich Briggs, Tina Dura, Simon Engelhart and Alan Nelson 26 September 202226 September 2022

Research over the past decade in Alaska’s Aleutian Islands has offered surprising insights into the pulses of great earthquakes that generate dangerous, often long-distance tsunamis.

The article author, carrying a pack and equipment on her back, hikes across a rocky expanse with mountains and low-lying clouds in the background.
Posted inOpinions

Playing It Safe in Field Science

by Marjorie Cantine 17 May 20226 September 2022

Researchers face many risks when working in the field. Documenting past and future accidents and safety incidents can help identify patterns and practices to keep scientists out of harm’s way.

Simulation results showing the effective dose in mSv/year as a function of depth beneath the Martian surface.
Posted inEditors' Highlights

Life on Mars? Estimating Radiation Risks for Martian Astronauts

by Andrew Poppe 19 April 202221 December 2022

New research suggests that to minimize radiation risk for human exploration of Mars, astronauts will need to dig deep for safety.

Nevado del Ruiz volcano seen on a cloudless morning from the western hills of Bogotá
Posted inNews

How the Armero Tragedy Changed Volcanology in Colombia

by Santiago Flórez and Camilo Garzón 30 November 202121 March 2022

The deadly eruption of Nevado del Ruiz in 1985 made Colombian volcanologists realize that studying natural phenomena was irrelevant if they could not share their knowledge to avoid predictable tragedies.

Badly burned cars and trees following the 2018 Camp Fire in Northern California
Posted inScience Updates

Wildfires Are Threatening Municipal Water Supplies

by A. T.-S. Chow, T. Karanfil and R. A. Dahlgren 12 August 20216 February 2023

Climate change is driving an increase in catastrophic wildfires; consumers see, smell, and taste the effects in their water. Water utilities must prepare for worse times ahead.

3 plots with a time series showing turbulence kinetic energy (top), UAV battery drainage due to elevated turbulence conditions (center and bottom).
Posted inEditors' Highlights

Modeling Urban-Weather Effects Can Inform Aerial Vehicle Flights

by D. Wuebbles 9 June 202120 July 2022

Microscale modeling can be used to understand and predict urban weather with sufficient detail to inform and support flight safety for crewed and uncrewed aerial vehicles.

Plot showing an example of errors in estimates of thermospheric density derived using a range of different models.
Posted inEditors' Highlights

Better Thermospheric Monitoring is Vital to Space Safety

by Michael A. Hapgood 18 May 202127 July 2022

Better real-time estimates of thermospheric density are vital to the safe management of satellite traffic in Low Earth orbit, ensuring those satellites continue to deliver critical services.

Illustration of a lot of debris orbiting Earth
Posted inOpinions

Charting Satellite Courses in a Crowded Thermosphere

by S. Bruinsma, M. Fedrizzi, J. Yue, C. Siemes and S. Lemmens 19 January 20213 November 2021

As the number of satellites in low Earth orbit grows by leaps and bounds, accurate calculations of the effects of atmospheric drag on their trajectories are becoming critically important.

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By Rachel Fritts

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“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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