Earlier this week, the number of visible sunspots on our home star fell to zero for the first time in 1,335 days. This ...

March 2026 could be the best month for the northern lights until the mid-2030s, as celestial mechanics and solar activity combine for potentially potent results.

A vast, volatile blemish has opened on the face of the Sun, and it is already rewriting the current solar cycle’s record book. The decade’s largest sunspot, a complex tangle of magnetism more than ten ...

Astronomers observed the sun without a single sunspot for the first time in over three years, hinting at a slowdown in Solar ...

A team of scientists from around the world has created the first system that can predict when and where extremely powerful ...

Solar Cycle 25 has reached its most active phase, bringing stronger solar flares and geomagnetic storms that may affect Earth’s technology.

The sun's visible disk has been perfectly free from sunspots for the first time since June 2022, suggesting the current solar cycle might be heading toward its quieter phase.

Scientists charged with predicting the sun's activity for the next 11-year solar cycle say that it's likely to be weak, much like the current one. The current solar cycle, Cycle 24, is declining and ...

A powerful solar storm could spark auroras as far south as northern California and Alabama on Wednesday, thanks to a particularly rambunctious area on the sun dubbed active region 4274 (AR4274). In ...