Solar activity is again stirring public anxiety, but the current situation is more nuanced than the most dramatic headlines ...

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

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

An M3-class solar flare that lasted about 3 hours created a massive coronal mass ejection. The Solar Dynamics Observatory ...

An Earth-directed coronal mass ejection could trigger a G3-rated geomagnetic storm early on Tuesday, Dec. 9, with the lower ...

A strong geomagnetic storm is forecast for Tuesday, according to the National Oceanic and Atmospheric Administration's Space ...

A strong geomagnetic storm forecast by NOAA’s Space Weather Prediction Center could make the aurora borealis visible ...

According to Aurora Photographer Vincent Ledvina, the NOAA SWPC forecasts an impact time for the M8.1 around 5 UTC (Universal ...

The Sun follows a 22-year magnetic cycle, with solar activity rising and peaking roughly every 11 years. But when conditions are right, solar flares—intense bursts of radiation—also fire off coronal ...

A geomagnetic storm watch has been issued after a powerful solar flare over the weekend. The solar flare peaked at 9:49 p.m. EST on Sunday, November 30, said NASA’s Solar Dynamics Observatory, which ...

Activity on the sun is not constant; it varies along a cycle of about 11 years. The peak of this solar cycle — called solar ...

On the afternoon of Saturday, December 6, a strong solar flare exploded from the Sun. Originating from sunspot 4299, which ...