Add Yahoo as a preferred source to see more of our stories on Google. Over the past 24 hours, the sun has been especially active, unleashing a rapid-fire series of powerful solar flares, including an ...

If you’re seeing social media posts about an X-class solar flare, here’s what you need to know now. A powerful X-class solar flare, the strongest category scientists track, erupted from the Sun on Jan ...

Solar flares are sudden releases of energy from the Sun’s surface. Scientists categorise them based on strength, beginning with A, B and C, followed by M and finally X.

NASA’s Solar Dynamics Observatory captured an X2.8-class solar flare and a pair of m-flares that preceded it in multiple ...

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

Add Yahoo as a preferred source to see more of our stories on Google. If you’re seeing social media posts about an X-class solar flare, here’s what you need to know now. A powerful X-class solar flare ...