Sunspot AR4618 erupted with an M4.4-class solar flare causing a coronal mass ejection (CME) that may give Earth a glancing ...

Sunspot AR3184 erupted with an X1.9-class solar flare. NASA's Solar Dynamics Observatory (SDO) captured the fireworks. The ...

New ESA simulations suggest that a solar storm on par with the 1859 Carrington Event could wreak havoc on Earth-orbiting ...

Sunspot AR3165 has erupted with several m-class solar flares in a span of a few hours. NASA Solar Dynamics Observatory captured the fireworks in several wavelengths. Credit: Space.com | footage courte ...

A huge sunspot on the surface of the sun has reportedly grown in size more than tenfold over the past couple of days. The sunspot, known as AR3085, has also been shooting off several minor solar ...

The Sunspot Number, the longest scientific experiment still ongoing, is a crucial tool used to study the solar dynamo, space weather, and climate change. It has now been recalibrated and shows a ...

One of the largest sunspots in years has appeared on the sun, darkening part of its glowing face. The massive sunspot, called AR1339, is about 50,000 miles long, and 25,000 miles wide, reports ...

A massive sunspot region made up of at least six different sunspot groups has emerged on the sun's nearside. When you purchase through links on our site, we may earn an affiliate commission. Here’s ...

An enormous sunspot group has taken shape on the surface of the sun, hinting that our star may soon start spouting off some powerful storms. The huge sunspot complex, known as AR 1476, rotated into ...

Inspired by Helene McLaughlin's post on GeekMom about the massive solar flare this past week, I pulled out the family telescope to do some sunspot viewing. Right now big sunspot 1429 is visible on the ...