Two massive solar storms appearing four days apart in the late summer of 1859 gave “the week the sun touched the earth” its name. The first one reached here Aug. 28, and the second one Sept. 1.

One scenario included a 'solar superstorm', strong enough cause an 'internet apocalypse,' resulting in power grid disruptions across the entire US with the eastern seaboard experiencing blackouts ...

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The world’s first-ever emergency drill testing preparedness for extreme space weather suggests humans are not ready to counter the threat posed by severe solar storms. Several US agencies ...

Solar Orbiter’s view of the magnetic fields around the sun’s south pole. Patches of blue and red mark the mixed magnetic fields in this region that characterize solar maximum.

One simulation involved a hypothetical “solar superstorm” strong enough to trigger an “internet apocalypse.” In this case, power grids across the US failed, with the eastern seaboard ...