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

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

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

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

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

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

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

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

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

As this month's string of powerful X-class solar flares sparked brilliant auroras that lit up skies across an unusually wide ...

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

On December 1, 2025, NASA's Solar Dynamics Observatory observed a large spot on the Sun, known as Active Region (AR) 4294-96.