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 ...

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

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

The sun erupted with an X1.9-class solar flare. NASA's Solar Dynamics Observatory captured the blast in multiple wavelengths.

A new solar storm is approaching. In 2025 there were several, but they did not have serious consequences. Now, the US ...

Three strong Class M flares were recorded on the Sun. This was reported on December 29 on the website of the Laboratory of ...

Pocket AVIA/RAD-ALERT warns of solar flare neutrons and radiation and Terrestrial Gamma Bursts, both of which may pose hazard to passengers, crews, and avionics This pocket unit provides real-time ...

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.

Space weather observers warn that the Van Allen radiation belts are now fully charged after repeated solar storms, raising ...

What processes are responsible for heating solar flares and what dangers do they pose to Earth? This is what a recent study published in The Astrophysical Journal Letters hopes to address as an ...

Solar flares can be many times the size of Earth and can damage things like satellites. A new study suggests that eruptions from the sun can be even hotter than researchers thought. Solar flares are ...

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 ...