For decades, researchers believed Earth's atmosphere had a ceiling on how hard it could react to the sun's most violent outbursts. A new study says that the ceiling may be an illusion, and the real risk to satellites, power grids, and communications could be higher than assumed.

Published in Nature in 2026, the research is led by Dr Nithin Sivadas of NASA's Goddard Space Flight Center, with Dr Maria Walach of Lancaster........

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