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

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

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

Discover what happens during a solar flare: sun eruptions, coronal mass ejection impacts, and space weather effects on Earth ...

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

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

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

"We know from historical observations that significantly bigger events are possible, and we need to be ready," said a ...

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

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 has emitted a powerful solar flare that has the capability to interfere with technology on Earth. The explosive burst of radiation peaked on the evening of June 17, matching the intensity of ...

NASA has warned that a strong solar flare could disrupt life on Earth. The space agency announced Monday, Dec 1, that the ...