A rapidly growing sunspot has fired off at least 18 M-class and three X-class flares in just 24 hours, including an intense ...

The sunspot region 4366 fired off dozens of powerful solar flares in 24 hours, including the single strongest flare since 2024. Auroras are possible later this week.

Recently, the sun has experienced intense activity, producing 18 M-class flares and three X-class flares, including the powerful X8.3 flare, the strongest of 2026. This surge originates from sunspot ...

Multiple M-class and X-class solar flares erupted within 24 hours as an active sunspot released intense radiation affecting ...

Typically, intense geomagnetic storms stem from massive CMEs, expulsions of plasma and magnetic fields from the Sun's corona.

Northern lights activity may increase this week after a trio of X-flares from the sun. Here's the latest.