At 10:04 UTC on November 11, the Sun fired an X5.1-class solar flare from Active Region 4274, launching an asymmetric halo coronal mass ejection (CME) toward Earth at extraordinary speed. This was not ...

Update: November 11, 5:09 p.m. ET: NOAA has issued a G4 warning for a severe geomagnetic storm for November 12. This CME, associated with the X.51 solar flare, is the most energetic and fastest of the ...

Kerry Breen is a news editor at CBSNews.com. A graduate of New York University's Arthur L. Carter School of Journalism, she previously worked at NBC News' TODAY Digital. She covers current events, ...

Forbes contributors publish independent expert analyses and insights. An award-winning reporter writing about stargazing and the night sky. A spot on the sun 10 times larger than Earth has been seen ...

A geomagnetic storm watch has been issued after a powerful solar flare over the weekend. The solar flare peaked at 9:49 p.m. EST on Sunday, November 30, said NASA's Solar Dynamics Observatory, which ...

A geomagnetic storm watch has been issued after a powerful solar flare over the weekend. The solar flare peaked at 9:49 p.m. EST on Sunday, November 30, said NASA’s Solar Dynamics Observatory, which ...