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.

The sun is putting on a show. On Sunday the star unleashed several strong and bright solar flares, including one of the most ...

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

In a dramatic escalation of solar activity, the sun has unleashed an X8.3 flare — 2026’s strongest yet — causing radio ...

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

The flare was part of a series of three X-class solar eruptions that occurred between late February 1 and early February 2.

Astronomers and satellite operators are on high alert. "More flares are in the offing," warn forecasters, as the sunspot's instability promises weekend fireworks.

The sun released a powerful solar flare followed by a fast-moving coronal mass ejection on January 18, resulting in a ...

Sunspot AR3256 erupted with an X1.2-class solar flare. NASA's Solar Dynamics Observatory captured the fireworks in multiple ...