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space weather (hazard)

Five roughly rectangular-prism-shaped objects with antenna-like projections float against a dark, starry background, evenly spaced in an arc extending away from the viewer, so that the farther objects appear progressively smaller. Earth appears in the distance. Surrounding its North Pole are several red, flame-shaped objects that may represent the aurora borealis.
Posted inResearch Spotlights

Presumed Role of Chorus Waves Out of Tune with New Data

Sarah Stanley, Science Writer by Sarah Stanley 22 September 2026

Distinctive plasma ripples are thought to play a big role in electron loss from Earth’s radiation belts, but a new study suggests a more limited influence.

A black-and-white photo of an old telegraph machine
Posted inResearch Spotlights

Of Cosmic Rains and Delayed Trains

by Matthew R. Francis 21 September 202621 September 2026

Scientific detective work corrected the date of an early disruption in telegraph service, solidifying the links between solar weather and technological disturbances.

A starry night sky is visible through a rich magenta haze that smoothly blends into a bright yellow-green band near the horizon. In the foreground a road flanked by low railings and reflectors runs parallel to an electrical power line. Trees and a street sign appear in the distance.
Posted inResearch Spotlights

How the 2024 Solar Superstorm Drained Earth’s Radiation Belt

Sarah Stanley, Science Writer by Sarah Stanley 14 September 202614 September 2026

Researchers dig into storm processes linked to dramatic electron loss from the outer Van Allen belt.

A purplish photo of the Sun shows cords of flame stretching off and arcing back onto its surface.
Posted inResearch Spotlights

The Economic Costs of Solar Storms

Aaron Sidder, freelance science writer by Aaron Sidder 4 September 20264 September 2026

Though less present in the public consciousness than hurricanes and wildfires, space weather represents a real and potentially significant threat to society.

Figure from the article.
Posted inEditors' Highlights

Rising CO2 Alters Upper Atmosphere Response to Stratosphere Sudden Warming

by Huixin Liu 29 July 202627 July 2026

A whole-atmosphere model simulation shows that rising CO2 changes how the upper atmosphere and ionosphere respond to a sudden stratospheric warming (SSW), with implications for future space weather. 

北美地图上显示了红色和蓝色像素,代表温度异常,以开尔文为单位测量。
Posted inResearch Spotlights

太阳风暴如何影响地球天气?一项新研究探讨其作用机制

Sarah Stanley, Science Writer by Sarah Stanley 21 July 202621 July 2026

一项新研究有助于我们更清晰地了解太阳活动影响天气的机制。

A map of North America shows pixels of red and blue, which represent temperature anomalies, measured in kelvins.
Posted inResearch Spotlights

Solar Storms Can Affect Earth’s Weather. A New Study Examines How.

Sarah Stanley, Science Writer by Sarah Stanley 23 June 202628 July 2026

New findings could help narrow down the mechanisms by which solar activity influences our weather.

Artist’s illustration showing part of the Sun at left, Earth and its magnetosphere at right, and several spacecraft in between. The spacecraft are networked together by curving, glowing green lines.
Posted inScience Updates

Vast Space, Sparse Data: An AI Answer to Twin Space Weather Challenges

by Savvas Raptis, Manolis K. Georgoulis, Mikhail Sitnov, Anthony Sciola and Simon Wing 11 June 202611 June 2026

Modern machine learning and AI methods can help heliophysics researchers and space weather forecasters overcome limitations from a dearth of observations and the infrequency of extreme events.

A graphic showing AGU book covers through the years.
Posted inEditors' Vox

7 Decades of Books Leave a Lasting Legacy

by Dara Liling, Venkataraman Lakshmi, Ernie R. Lewis, Larry J. Paxton, Stephen E. Schwartz and Yongliang Zhang 3 June 202627 May 2026

Authors and Editors reflect on the lasting impacts of their books in honor of the AGU Books Program’s 70th anniversary.

木星带有条纹和漩涡状图案的表面覆盖着一条从上到下延伸的黄色线条,与一系列蓝色圆点相交。旁边的小图展示了木星的更近距离特写。
Posted inResearch Spotlights

超级闪电之外-隐形超级风暴揭示木星上的闪电

by Saima May Sidik 18 May 202618 May 2026

在气态巨行星木星上,闪电的强度和频率似乎比人们之前所认为的更为多样。

Posts pagination

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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

Making Sense of Shallow-Water Waves with Advanced Statistics

23 September 202623 September 2026
Editors' Highlights

Seasonality is Changing for Extreme Dry and Humid Heat Events 

18 September 202617 September 2026
Editors' Vox

In Appreciation of AGU’s Outstanding Reviewers of 2025

14 September 202610 September 2026
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