Scientists led by Brian Walsh at Boston University have proposed a system called “StormWall” to actively strengthen Earth’s magnetosphere against severe solar storms.

The idea involves deploying a fleet of satellites that would release ionized materials to create a temporary plasma barrier at the edge of Earth’s magnetic field.

This artificial shield is designed to reduce the impact of geomagnetic storms by disrupting magnetic reconnection, which allows solar energy to penetrate Earth’s space environment.

Computer simulations of a major 2024 solar storm suggest the system could cut storm intensity by more than 50%, potentially protecting satellites, power grids, and communications systems, Space.com has reported.

While costly and still theoretical, researchers say the approach could become feasible as space infrastructure expands and may provide a global defense against extreme space weather.