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

Levels of potentially dangerous cosmic radiation in Earth's atmosphere rose to a two-decade high in November after a rare ...

Solar flares and other activity can disrupt radio communications, power grids and navigation signals, according to NASA.

Scientists can usually spot coronal mass ejections before they affect Earth—but this one snuck past coronagraphs and ...

Hazy, orange light cast by the sunset beams through the stained glass windows in the A.D. White Library. You’re seated at a ...

After Northern Lights appeared as far south as Colorado, Live Science discusses how "cannibal" coronal mass ejections (CME) ...

A rare blast from the sun has just pushed radiation in Earth’s atmosphere to levels not seen in nearly two decades, briefly ...

On Saturday, NOAA’s Space Weather Prediction Center (SWPC) noted that an M8.1 solar flare, “an eruption of energy from the ...

A powerful M8.1 solar flare sent a full-halo coronal mass ejection toward Earth, and scientists expect it to trigger strong ...

Our sun continues to make news headlines as we’re still in a strong solar cycle that has generated numerous solar flares and ...

NASA has issued a strong geomagnetic storm watch, meaning the northern lights may be visible. Can you see them in NJ tonight, ...

MOSCOW (Xinhua): The Sun emitted a powerful X-level solar flare on Monday, according to Russian solar researchers. The X1.1 ...