Sunspot AR3186 erupted with an X1-class solar flare. NASA's Solar Dynamics Observatory captured the fireworks in multiple wavelengths. Credit: NASA/SDO/HelioViewer| edited by Space.com's Steve Spaleta ...

NASA's Solar Dynamics Observatory captured sunspot AR3386 blast a long-duration X1.6-class solar flare and X1 flare. See time-lapses of the flares in multiple wavelengths. Credit Space.com | footage c ...

How far away it is: 93 million miles (150 million km) ...

Flares and solar eruptions can impact radio communications, electric power grids, and even pose risks to spacecraft and ...

According to NASA, solar radiation storms or solar flares occur when a large-scale magnetic eruption causes a coronal mass ...

EDT on June 1, 2025, instruments registered a geomagnetic K-index of 8, creeping toward 9, meaning a solar storm has arrived.

Scientists have identified a new source of energetic particles near the Sun. These definitive observations were made by instruments aboard NASA's Parker Solar Probe, which detected the powerful ...

The sun's corona—the outermost layer of its atmosphere, visible only during a total solar eclipse—has long intrigued ...

A team of solar physicists has released a new study shedding light on the fine-scale structure of the sun's surface. Using ...

In a recent observation of 2 strong solar flares within 24 hours, NASA has issued warnings that the intense eruptions on the ...

The stripes, called striations, ripple across the walls of solar granules—convection cells in the Sun’s photosphere where hot ...

Aurora displays known as the northern and southern lights are commonly visible near the poles, where charged particles from ...