The Northern Lights or aurora borealis may be visible in the U.S. this week due to a coronal hole and a "co-rotating ...

A powerful X1.1-class solar flare was released by the sun on March 28, resulting in radio blackouts across North and South America ...

often accompanied by a solar flare of X-rays. If these CMEs hit the Earth, they can trigger geomagnetic storms in our ...

The last time Earth was hit by a blast on this scale was ... the CME moves through the lower atmosphere of the sun. 'They're not as fast as X-rays, but these particles are very energetic so ...

It protects us from stray cosmic rays coming from elsewhere in the galaxy—but the effects of storms on the sun’s surface can also affect ... mass ejections—and if a big one happened to hit Earth, the ...

Bengaluru anticipates Zero Shadow Day on April 24. The sun will be directly overhead. Vertical objects will cast no shadow.

This image, captured on December 6, 2010, shows a massive solar filament erupting from the Sun. Nearly a million km long, it was seen by STEREO in extreme ultraviolet light.