North America, geomagnetic storm
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As the northern lights lit up skies across the U.S., here's how agencies braced for potential disruptions to power grids and critical infrastructure.
A severe geomagnetic storm watch was issued by NOAA on Tuesday in response to recent coronal mass ejections from the sun.
A geomagnetic storm on Earth triggered by a large burst of solar radiation has temporarily grounded a Blue Origin rocket carrying twin NASA satellites built to measure space weather on Mars.
A third CME wave is still expected to hit Earth on Wednesday, and it could spark a geomagnetic storm even more intense than the first two.
NOAA forecasters warn of severe geomagnetic storms reaching Earth Tuesday night, potentially affecting technology while creating spectacular aurora displays.