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

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

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

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

A sunspot 10 times larger than Earth has appeared on the surface of the sun just as an X1.9-rated solar flare occurred.

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

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

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

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

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

The Sun unleashed its most powerful solar flare of 2025 on November 11, sending a burst of high-energy radiation speeding ...

The Sun fired a staggering X1.9-class solar flare at the turn of the month, triggering a sudden, widespread radio blackout ...