Fast solar wind from a massive coronal hole in the sun could trigger dazzling auroral displays as geomagnetic activity is ...

"It is the global geomagnetic activity index based on 3-hour measurements ... when viewed in extreme ultraviolet and soft X-ray solar images. Like sunspots, they appear darker because they are ...

Auroral activity is forecast to increase on Christmas Day, with NOAA forecasting a Kp index of five and a viewing line ...

The National Oceanic and Atmospheric Administration said a strong geomagnetic storm may cause an unusually bright northern ...

We look ahead to 2025 as the sun ramps up its activity, driven by the peak of the current solar cycle. 2024 was a busy year for solar news, but what can we expect from 2025? In April, a total ...

The sun’s activity is set to remain intense throughout 2025, marking the solar maximum of Solar Cycle 25. This period will see an uptick in solar flares, coronal mass ejections (CMEs), and ...

The current solar cycle (solar cycle 25) began in 2019. Fortunately, solar activity is expected to wind down significantly in the next few years, according to Almanac. A return to solar minimum ...

On Christmas Eve, the Parker Solar Probe is set to become the closest spacecraft to the sun when it flies within a few ...