The widespread blackouts that recently brought parts of Spain and Portugal to a standstill triggered global speculation: was ...

Nasa warns of huge solar flares causing blackouts on Earth - The Sun’s most active region is turning to face Earth, bringing ...

A potent X2.7-class solar flare has erupted from the surface of the Sun, causing radio blackouts across vast regions of the ...

X2.7-class eruption from sunspot AR4087 disrupts radio signals as the active region rotates toward Earth, raising the risk of ...

The NSO describes sunspots as "areas of intense magnetic activity" that can trigger solar flares and coronal mass ejections — phenomena that can have damaging effects on Earth's radio communications ...

The Daniel K. Inouye telescope snapped a clear image of sunspots. The most powerful solar telescope in the world has recorded a major milestone atop an active volcano in Hawaii, capturing a ...