This magnetism was strongest in dark regions called sunspots. In the 17th century, Galileo used the newly developed telescope to reveal that the sun was blemished with spots. He observed many of ...

The Sun's activity typically peaks at solar maximum, but there's an even more dangerous stage it could enter, and with ...

A strong X-class solar flare erupted from the sun on Sunday, Feb. 23, creating radio blackouts across parts of the Pacific Ocean.

Earthquakes have long been considered unpredictable, but a new study suggests that solar activity could play a role in ...

On a dynamic planet like Earth, it can be easy for drivers of change to go unnoticed – but scientists have now established and investigated an unexpected link between the Sun and our homeworld.

Why did the world suddenly become obsessed with the northern lights? It seems like not a week goes by without news of solar ...

As the spring equinox approaches, northern lights hunters will scour the skies for breathtaking displays of color.

Computer models that factor in the Sun's impact on Earth's surface temperatures are providing more accurate simulations of ...

The number of sunspots on the sun's surface changes on a fairly regular cycle, which scientists refer to as the sun's 11-year solar cycle. Sunspot activity, and hence auroral activity, tends to ...

"We found a reduction in the number of sunspots in 80% of patients by three ... "Current therapies don't stop new skin cancers developing on sun-damaged skin, but this research shows there might ...

A minor geomagnetic storm is forecast for Wednesday March 5. Chances remain strong for seeing the aurora borealis in the months ahead.