The sun’s current 11-year activity cycle has already peaked—but extreme outbursts from our star may still be in store ...

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 ...

Scientists have captured an exceptionally rare, high-resolution view of an active region that produced two powerful X-class ...

What’s interesting is that the sunspot that unleashed the X-class flare was a surprise discovery by NASA, as it developed rapidly, and has yet to be named. It's located above the aforementioned ...

The Sun is covered in dark patches bigger than Earth. A powerful flare has already erupted, with more likely coming.

The sun goes through repeating cycles of activity roughly every 11 years. During the active phase of a solar cycle, the ...

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

Solar scientists say 2025 could bring the most intense solar maximum in two decades, raising serious concerns about the impact on Earth’s power grids, satellites, and communication networks. As ...

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

Perseverance's main job is Martian weather forecasting, but its routine solar scans on November 25 unexpectedly detected the ...

Research led by Professor Valentina Zharkova has raised alarm with predictions that solar activity could fall by as much as 60% during the decade from 2030 to 2040. According to her ...

A powerful geomagnetic storm last week brought rare and bright auroras, which were observed even in Florida and Mexico. Lisa Upton, a heliophysicist from the Institute of Southwestern Studies, told ...