In the final hours of Christmas Day, the sun fired off four solar flares within less than three hours.

The sun started 2025 with a bang as it fired off a powerful solar flare this morning.

Another geomagnetic storm looms Monday night after a severe storm produced strong northern lights forecasts last week.

The sun recently hurled two coronal mass ejections toward Earth. The first is expected to reach us on Tuesday sparking aurora ...

Forecasts suggest that peak solar activity will make aurora borealis displays even more intense than usual in 2025. Here are ...

NASA's Interface Region Imaging Spectrograph (IRIS) mission captured an X1.1-class solar flare. See time-lapse footage of the blast that caused "a strong shortwave radio blackout over South America," ...

The sun is bidding farewell to 2024 with a bang—or rather several bangs. Our star produced three powerful flares on December ...

A festive auroral display may be put on for a lucky few when coronal mass ejections hit Earth on Christmas Eve and Christmas Day.

The cosmic display will be visible to the northern 25% of the US, including every state that borders Canada.

Powerful eruptions from the sun are likely to interact with Earth's atmosphere on New Year's Eve, causing auroras in some locations.

By historical definition, Solar Cycle 1 occurred between 1755 and 1766, placing the sun 's current cycle in Solar Cycle 25.

Credit: NOAA/SWPC/GOES 16 via Spaceweather.gov In the final hours of Christmas Day, the sun fired off four solar flares within less than three hours. The biggest flare of the series, recorded at a ...