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

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.

A century of solar observations from Kodaikanal Solar Observatory and modern satellite data reveal patterns in the Sun’s polar magnetic activity, aiding predictions of future solar cycles.

(CNN) — For two nights, dazzling auroras delighted sky-gazers in unexpected places, including in the US as far south as Florida. The cause: dual solar storms unleashed by the sun reaching Earth. A ...

(CNN) — Dazzling auroras delighted sky-gazers Tuesday night, even in southern US states such as Florida where they rarely make an appearance — and more colorful displays are expected again Wednesday ...

While February weather across Texas remains calm and seasonable, activity on the sun is ramping up which could bring a colorful display across the night sky Thursday night for areas along the United ...

This reason is enough to delay the Artemis II mission further, says a Mexican nuclear physicist to the Starlust team.

The British Geological Survey initially believed the current solar activity could lead to a G5, or an extreme geomagnetic storm — the highest level on the scale. The survey also dubbed Tuesday’s event ...