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 ...

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

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

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

Earth is facing a double coronal mass ejection impact today, January 3, 2026, potentially triggering G2-class geomagnetic ...

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

Sunspots AR3664 and AR3663 have been erupting with X- and M-class solar flares. Both sunspots are Earth-facing and could potentially deliver a solar storm. NASA's Solar Dynamics Observatory captured ...

How does a star affect the makeup of its planets? And what does this mean for the habitability of distant worlds? Carnegie's ...

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

Flares, CMEs and what did – and did not – hit Earth One of the first questions after any major flare is whether it launched a coronal mass ejection, or CME, in Earth’s direction. CMEs are huge clouds ...

The Sun is now on its way towards a less active part of its cycle, and it will reach its “solar minimum” around 2031, ...

The sun typically goes through regular cycles of increased and decreased activity, but in recent years, it hasn't been ...