The sun is not only our closest stellar neighbor, it's also the star we understand the most. As we've observed it over the ...

After a calm week, the sun erupted again. A powerful M5.1 solar flare burst from an emerging sunspot region, shaking the ...

Solar wind speeds remain elevated as an incoming coronal mass ejection approaches Earth, with forecasts indicating increased ...

Our planet was rocked by some of the worst geomagnetic storms in more than 20 years. Triggered by a slew of solar flares, the ...

While the Sun’s solar flares strongly correlate with sunspots, observations of more than 14,000 other stars show this is not generally the case.

An international team of researchers tracked the active solar region using the Solar Orbiter spacecraft, a joint NASA and ...

OVRO-LWA radio data contrasts a quiet day (Sept. 29, 2025) with the hours after the X1.7-class flare recorded at 2:35 ET on Nov. 9. The type III radio bursts, shown in the radio dynamic spectrum ...

With the Sun still in an active phase there could be more spectacular Northern light displays in the year ahead.

Forbes contributors publish independent expert analyses and insights. An award-winning reporter writing about stargazing and the night sky. A spot on the sun 10 times larger than Earth has been seen ...

After the Sun's solar maximum peak in 2024–25, scientists say that 2026 could deliver some of the most frequent and intense ...

Beautiful yet dangerous solar flares that erupt from the sun could be as hot as 180 million degrees Fahrenheit, researchers say. That's more than six times hotter than solar physicists previously ...

The alignment of the Sun and Earth during the spring and autumn equinoxes can slightly increase activity, known as the ...