You may not have noticed—how could you?—but Earth recently went through a rare S4 solar radiation storm, the strongest one we ...

The storm is also responsible for pushing the aurora farther south, giving some people across the southern U.S. a rare chance ...

The aurora borealis could be visible as far south as northern California and Alabama if skies are clear, according to ...

The largest solar storm in over 20 years triggered spectacular auroras on Tuesday night, unusually widespread across the southern hemisphere skies as far north as Queensland in Australia. Images ...