A sunspot, potentially generating multiple solar flares, may lead to auroras that could be visible as far south as Alabama.

A vast, volatile blemish has opened on the face of the Sun, and it is already rewriting the current solar cycle’s record book ...

On December 1, 2025, NASA's Solar Dynamics Observatory observed a large spot on the Sun, known as Active Region (AR) 4294-96. This is the largest sunspot recorded in the past ten years and is believed ...

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 ...

The Sun is covered in dark patches bigger than Earth. A powerful flare has already erupted, with more likely coming.

A massive sunspot complex, AR 4294-96, has rotated into view, nearly matching the size of the Carrington Event sunspot.

A massive sunspot cluster, reminiscent of the infamous Carrington Event, has emerged on the sun's surface, sparking intrigue ...

Gigantic sunspots of the groups AR 4294-4298 are currently rotating towards the Earth. Experts are observing possible auroras and warning of the effects on satellites and technology.

The powerful X1.1 solar flare from sunspot region 4298 sparked strong radio blackouts on the sunlit portion of Earth at the ...

Radiation levels at airline flight altitudes briefly reached levels that could be potentially harmful to pregnant women.

Airbus said in a statement on Friday that the recalls were issued because the company found that intense solar radiation could “corrupt data critical to the functioning of flight controls” in its ...