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

A powerful X1.9 solar flare from new sunspot AR4299 triggered strong radio blackouts, as giant sunspot AR4294 rotates into ...

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

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

Airbus said in a statement on Friday that the recalls were issued because the company found that intense solar radiation ...

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

NASA's Solar Dynamics Observatory captured sunspot AR3386 blast a long-duration X1.6-class solar flare and X1 flare. See time ...

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

Extremely active sunspot AR3664 blasted a major X8.7-class solar flare. The sunspot was behind the incredible geomagnetic ...

NASA says a 'strong' solar flare could pose a number of risks to us on Earth after powerful bursts of energy, categorised as ...

The Sun follows a 22-year magnetic cycle, with solar activity rising and peaking roughly every 11 years. But when conditions ...