Tuesday’s auroral forecast follows “minor” geomagnetic storms that disrupted Earth’s magnetic field over the last two days, ...

A strong M8.46-class solar flare erupted from the sun on June 15, causing radio blackouts across North America. The event ...

Sunspot region 4114 has fired off its strongest blast yet — an X1.2-class solar flare that erupted on June 17, triggering radio blackouts across the Pacific Ocean region, including Hawaii.

Solar flares are the most powerful explosions in the solar system, and can contain as much energy as a billion hydrogen bombs ...

A potent M8.46-class solar flare on June 15 caused radio blackouts across North America, with a coronal mass ejection potentially impacting Earth on June 18.

Ssolar-observing satellites detected a powerful M8.3 solar flare emanating from active spot AR4114, a flare that is very close to being classified as a powerful X-class flare. The flare was captured ...