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.

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

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

ESA's Proba-3 mission, made up of twin spacecraft capable of aligning to create artificial eclipses, has captured "rare" ...

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

NASA researchers show that artificial intelligence can anticipate solar flare buildups by tracking subtle changes across the ...

Solar Orbiter observations show that a medium-class solar flare formed through cascading magnetic reconnection events, ...

The sun's inner corona, the hottest part of our star's atmosphere, appears faint yellow in a time-lapse made from images ...

A new time-lapse reveals the Sun’s inner corona glowing a faint yellow, offering a rare look at the hottest layer of our star’s atmosphere. The footage was created using images from the ASPIICS ...

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