Sunspot AR3229 erupted with an X2-class solar flare. NASA's Solar Dynamics Observatory captured the fireworks in multiple wavelengths. Credit: NASA/SDO | edited by Space.com's Steve Spaleta Music: ...

Sunspot AR3256 erupted with an X1.2-class solar flare. NASA's Solar Dynamics Observatory captured the fireworks in multiple wavelengths. Credit: Space.com | footage courtesy: NASA/SDO | edited by ...

Earth just experienced a rare S4 solar radiation storm, the most intense since 2003 — powerful for satellites and astronauts, but harmless on the ground. When you purchase through links on our site, ...

Aurora alert! The colossal solar storm could impact and trigger impressive northern lights. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. The ...

A record-breaking study into a giant sunspot that triggered Earth's biggest geomagnetic storm in more than two decades has revealed surprising new details about the explosive dark patch. The monster ...

Add Yahoo as a preferred source to see more of our stories on Google. Sunspot AR4618 erupted with an M4.4-class solar flare causing a coronal mass ejection (CME) that may give Earth a glancing blow.

Add Yahoo as a preferred source to see more of our stories on Google. 30 storylines for spring training: From rebuilds to new stars to roster questions, here's something to watch for every MLB team ...