A large coronal hole has emerged on the sun’s eastern horizon. Its fast solar wind may reach Earth, potentially triggering auroras and affecting geomagnetic activity in the coming days.

A rare blast from the sun has just pushed radiation in Earth’s atmosphere to levels not seen in nearly two decades, briefly turning the sky itself into a harsher place for high‑altitude flyers and ...

The Sun has just hurled a powerful X-class flare toward Earth, and the resulting geomagnetic storm could push shimmering auroras far beyond their usual polar haunts. As the current solar cycle ...

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

Add Yahoo as a preferred source to see more of our stories on Google. A flurry of activity solar activity this week produced a severe solar storm, sparking northern lights as far south as Florida on ...

“The definition of the solar maximum is when the sunspot number is at its highest,” Dr Rachel Howe, a solar physicist at the ...

Researchers say a deadly earthquake in Japan and 2023’s most powerful solar flare occurring back-to-back can’t be a ...

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

A flurry of activity solar activity this week produced a severe solar storm, sparking northern lights as far south as Florida on Tuesday night- just days after the sun unleashed its strongest solar ...