Earth was just slammed with a "severe" geomagnetic storm
NOAA said people as far south as Alabama may have seen the northern lights and that the sun could expel the strongest type of solar flares over the next few days.
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NOAA said people as far south as Alabama may have seen the northern lights and that the sun could expel the strongest type of solar flares over the next few days.
The sun has been busy lately, with solar flares and winds directed at Earth. But were they responsible for Thursday's widespread cellphone outages?
When a major solar storm hit in 1859, "telegraph systems worldwide went haywire." Here's what to know if such an event were to hit today – and how likely it is to happen.
