coronal mass ejection

A combination of computer modeling and solar imagery visualize the sun's magnetic structure, offering a peek at the intense and dramatic activity that keeps the star's engine running.

On Thursday (Oct. 29), the White House released two documents that lay out the nation's official plan for mitigating the negative impacts of solar flares and other types of "space weather."

The Magnetospheric Multiscale mission, which will study a cosmic phenomenon that is both dazzling and dangerous for people on Earth, is scheduled to launch into orbit on Thursday (March 12).

Four spacecraft and one ground-based observatory recorded the eruption of a powerful X-class solar flare on March 29, making it the best-observed such event in history, NASA officials said.