A worst-case solar storm could knock out satellites, GPS and power grids, report warns

For many of us, checking the weather is part of daily life. But, in an increasingly technology-dependent world, there is another kind of forecast we can't afford to ignore: space weather. Space weather refers to activity on the sun and how it affects Earth and the space around it, a complex, chaotic system scientists are working to understand, forecast and mitigate. More

(Source: Space.com - Apr 14)