Scientists have long studied the sun, our solar system’s life-giving star, trying to understand its behavior, solar flares, ...

Sunspot AR3663 erupted with powerful X1.6 and M4 solar flares. NASA's Solar Dynamics Observatory captured the fireworks.

Three strong Class M flares were recorded on the Sun. This was reported on December 29 on the website of the Laboratory of ...

A powerful M8.1 solar flare sent a full-halo coronal mass ejection toward Earth, and scientists expect it to trigger strong G3 geomagnetic storm levels on Tuesday. Forecasts show the Kp index rising ...

The sun typically goes through regular cycles of increased and decreased activity, but in recent years, it hasn't been ...

This was the view as a multi-colored curtain of aurora formed to the south in my sky during the great display of Northern Lights on May 10, 2024. The Kp Index peaked at 8 this night bringing the ...

The GREGOR telescope at the Teide Observatory in Tenerife got a front-row seat to November's solar show. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it ...

Satellites have detected powerful solar flares in the last two months, but this phenomenon has been recorded for over a century. On 10 September 1886, at the age of just 17, a young amateur astronomer ...

Activity on the sun is not constant; it varies along a cycle of about 11 years. The peak of this solar cycle — called solar maximum — is when sunspots, solar flares and coronal mass ejections (CMEs) ...

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 Montana State University physicist who has developed a new model that predicts the speed of solar plasma during solar flares, likening it to the path traveled by a thrown baseball, will present his ...