This geomagnetic storm interfered with telegraph communications around the globe. Sparks reportedly leapt from telegraph machines, shocking operators. In Boston, employees of the American Telegraph ...

New research by Southwest Research Institute (SwRI) and the National Science Foundation's National Center for Atmospheric ...

On February 11, 2010, NASA launched a spacecraft to study the inner workings of the sun. [‘On This Day in Space’ Video Series ...

Watch this one-week time-lapse of the coronal hole in the Sun's atmosphere from NASA's Solar Dynamics Observatory. Amazing One-Week Time-Lapse Capturing A Gigantic Coronal Hole On Sun Via NASA's Solar ...

This Feb. 4, 2026, image from NASA's Solar Dynamics Observatory (SDO) captures a strong solar flare erupting from the star.

NASA explained that the flares and solar eruptions can impact radio communications, electric power grids, and navigation signals.

"Previously published in Solar Physics volume 275, issues 1-2, 2012"--T.p. Preface / R. R. Fisher -- The Solar Dynamics Observatory (SDO) / W. Dean Pesnell, B. J. Thompson and P. C. Chamberlin -- The ...

This week, we examine strength from different perspectives. The energetic strength of a solar flare and its effect on Earth. The gravitational strength of dark matter in our universe and its ...

A team led by Shadia Habbal at the Institute for Astronomy — drawing on more than a decade of eclipse observations — for the first time clearly identified turbulent structures in the sun’s corona, ...

The $850 million Solar Dynamics Observatory may help scientists find the causes of solar weather events that disrupt technologies on Earth—while taking unprecedented high-resolution pictures of the ...

A new sunspot group has quickly grown and is spewing out the most intense type of solar flare. Effects on Earth are forecast to be limited.