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

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 ...

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.

Researchers followed a single solar hotspot for 3 months as it unleashed nearly 1,000 flares, revealing insights about our ...

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 ...

A G2 storm, rated “moderate” on the five‑tier NOAA scale, can induce voltage irregu­larities in power systems and affect high ...

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 ...

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