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space weather (hazard)

A bright ring of light surrounds the North Pole in a black-and-white composite satellite image over the Northern Hemisphere, with land areas outlined in black.
Posted inResearch Spotlights

U.K. Space Weather Prediction System Goes Operational

by Saima May Sidik 23 June 202523 June 2025

Officials now have access to a suite of models they can use to head off damage to critical infrastructure.

Diagram from the study.
Posted inEditors' Highlights

Fast Flows in Earth’s Magnetotail Surveyed by NASA Satellites

by Mary Hudson 9 April 20253 April 2025

A survey of high-speed electron flow observed by NASA satellites in the Earth’s magnetotail is presented and related to the process of magnetic field line reconnection and particle acceleration.

Posted inEditors' Highlights

2024年5月超级地磁暴冲击后的电离层变化

by Alberto Montanari 3 April 20253 April 2025

一项新研究发现,2024 年 5 月超级地磁暴影响下,地球高层大气与电离层发生了独特的变化。

Visualization of Earth being hit by a geomagnetic superstorm.
Posted inEditors' Highlights

Ionospheric Changes Following the Geomagnetic Storm of May 2024

by Alberto Montanari 7 March 20253 April 2025

A new study finds that unique ionospheric changes occurred in the upper atmosphere in response to the May 2024 geomagnetic superstorm.

Graph from the paper.
Posted inEditors' Highlights

Prediction of Equatorial Plasma Bubbles for Navigation and Communication

by Alberto Montanari 7 March 20257 March 2025

Scientists demonstrate a new technique to predict the formation of equatorial plasma bubbles, a crucial space weather phenomenon affecting satellite-based communication and navigation systems.

Diagram from the study.
Posted inEditors' Highlights

Wave-Modulated Electron Loss Affects GPS Location Determination

by Mary Hudson 7 January 202520 December 2024

Earth’s magnetosphere controls ionospheric total electron content modulation via plasma wave-induced electron loss impacting GPS spatial location determination.

Composite image of a solar eruption
Posted inNews

Watching a Solar Event from All Angles

by Collin Blinder 2 January 20252 January 2025

A fleet of spacecraft captured unprecedented details of the major solar outbursts in May and June 2024.

A huge prominence shoots out into space from the surface of the Sun. The Sun’s surface and the erupted material appear to be various fiery shades of orange, red, and yellow, and the Sun’s curved horizon appears in the distance against the blackness of space, highlighting just how big the eruption is.
Posted inResearch Spotlights

Blasts from the Past: New Insights from Old Space Storms

Sarah Stanley, Science Writer by Sarah Stanley 24 October 202424 October 2024

Reassessment and comparison of past space weather events highlight the potential for Earth to experience destructive geomagnetic disturbances.

A black-and-white artist’s depiction of Earth’s Van Allen radiation belts—two half-oval shapes extending out to the left and right of Earth (to show a cross section of the belts).
Posted inResearch Spotlights

Audible Storm Waves Could Turbocharge Earth’s Radiation Belts

Sarah Stanley, Science Writer by Sarah Stanley 16 October 202416 October 2024

Electromagnetic chorus waves could generate more extreme radiation levels than previously thought, posing severe hazards for Earth-orbiting spacecraft.

从太空看到的南极光(南半球上空的极光)
Posted inResearch Spotlights

太空飓风在南半球盘旋,夏季尤甚

by Rebecca Dzombak 28 August 202428 August 2024

先前对最近发现的空间天气事件的研究主要集中在北半球。新的研究表明,每年有数十次飓风袭击南半球。

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

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28 May 202628 May 2026
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26 May 202621 May 2026
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