Space on MSN

Sun Blasts Powerful X2-Class Solar Flare

Sunspot AR3229 erupted with an X2-class solar flare. NASA's Solar Dynamics Observatory captured the fireworks in multiple ...
Morning Overview on MSN

Here’s what a solar flare is and how scientists classify it

Solar flares, the sudden bursts of radiation that erupt from the Sun’s atmosphere, have become a topic of intense scrutiny ...