A powerful X1.9 solar flare from new sunspot AR4299 triggered strong radio blackouts, as giant sunspot AR4294 rotates into ...

An international team of researchers has used knowledge of historical geography to reexamine the earliest datable total solar ...

For thirty years, SOHO has delivered an unprecedented, nearly unbroken view of the Sun, surviving multiple near-catastrophic ...

India’s Aditya-L1 solar mission will observe the Sun’s peak activity in 2026, studying coronal mass ejections and protecting ...

A sunspot, potentially generating multiple solar flares, may lead to auroras that could be visible as far south as Alabama.

For Aditya-L1, India's first solar observation mission in space, the year 2026 is expected to be like no other. It's the ...

Solar flares and other activity can disrupt radio communications, power grids and navigation signals, according to NASA.

India’s electricity generation declined for a second month as rapid solar expansion outpaced grid capacity, driving ...

The spectacle was particularly enthralling for Lisa Upton, who caught the skies over Boulder, Colo., glowing eerily red. Upton, a heliophysicist at the Southwest Research Institute, is an expert in ...

Could we see more northern lights this month? Multiple sunspots are rotating into view, with one already release an X-class ...

On December 1, 2025, NASA's Solar Dynamics Observatory observed a large spot on the Sun, known as Active Region (AR) 4294-96.

As this month's string of powerful X-class solar flares sparked brilliant auroras that lit up skies across an unusually wide ...