A massive solar eruption from sunspot 4100 has launched a fast-moving CME toward Earth, with G4-class geomagnetic storm ...

Eastern Daylight Time on June 1, 2025, instruments registered a geomagnetic K-index of 8, edging closer to 9, a rare level ...

EDT on June 1, 2025, instruments registered a geomagnetic K-index of 8, creeping toward 9, meaning a solar storm has arrived.

According to NASA, solar radiation storms or solar flares occur when a large-scale magnetic eruption causes a coronal mass ...

A halo CME is an eruption of solar plasma and magnetic field that appears to form a halo around the Sun when it is moving ...

Solar storm triggers warning in Spain: possible disruptions to GPS and power. Experts advise monitoring as activity remains ...

A geomagnetic storm is headed toward Earth, potentially bringing displays of the northern lights and disruptions to critical ...

Flares and solar eruptions can impact radio communications, electric power grids, and even pose risks to spacecraft and ...

I think it is quite clear that space weather was not the cause of the dramatic power outage in Spain recently' ...

July 19, 2024 — Space storms could soon be forecasted ... findings suggest sunspots and solar flares could be generated by a magnetic field within the Sun's outermost layers.

A huge X-class solar flare has erupted from the Sun, causing radio blackouts across the globe after it peaked on May 14, ...