Our sun is a roiling mass of energy, with solar flares exploding on its surface, sending gas, plasma, and light that blasts ...

Where there are sunspots, you'll also find solar flares, the colossal flares of light that can disrupt communications on ...

When a patch of the Sun erupts, nearby regions sometimes fire off in sympathy, like a row of dominoes toppling across the ...

Powerful solar activity released by the sun likely created dazzling auroral displays in unexpected areas Monday evening and early Tuesday morning. It could also disrupt satellite-based communications ...

Colorful auroras could dazzle skywatchers again on Monday night amid a severe geomagnetic storm and what the National Oceanic and Atmospheric Administration said was the largest solar radiation storm ...

Activity on the sun is not constant; it varies along a cycle of about 11 years. The peak of this solar cycle — called solar maximum — is when sunspots, solar flares and coronal mass ejections (CMEs) ...

New SwRI-led research connects circular flare ribbons, as observed with by Swedish 1-m Solar Telescope during the M4.7-class solar flare on May 3, 2023, with energy released by repeated bursts of ...

The sun has stunned scientists and amateur astronomers alike after putting on an unexpected and rare display on Tuesday. Four ...

The Sun released a strong solar flare on Tuesday, Feb. 3, following several eruptions in the preceding days, raising the possibility of increased geomagnetic storm activity. Nasa’s Solar Dynamic ...

This Feb. 4, 2026, image from NASA's Solar Dynamics Observatory (SDO) captures a strong solar flare erupting from the star. Solar flares are powerful bursts of energy that can, along with other types ...