The planet is experiencing the most powerful solar event since 2003—and it's bringing spectacular Northern Lights.

Radiation storms are nothing to sniff at, big ones can take out vital satellites, which is why scientists and astronauts take ...

"This is the largest solar radiation storm in over 20 years," the Space Weather Prediction Center said on Monday.

The Sun has been busy again, and this time, its outburst struck Venus first. A powerful solar storm recently slammed into the planet, shaking its thin atmosphere and sending ripples through space.

A strong solar storm headed toward Earth could light up the skies this week.Astronomer Dean Regas explained the meaning behind the upcoming geomagnetic storm watch.Regas said on Tuesday, the Sun ...