Solar snake spotted slithering across Sun's surface

Solar Orbiter has spotted a ‘tube’ of cooler atmospheric gases snaking its way through the Sun’s magnetic field. The observation provides an intriguing new addition to the zoo of features revealed by the ESA-led Solar Orbiter mission, especially since the snake was a precursor to a much larger eruption.

Intimidating sunspot groups

Two relatively large sunspot groups produced a number of M-class flares, the largest of which was an M5.2 early on 7 November.

Farmers and space weather

A small but important sector that is also affected by disturbed space weather is farming and agriculture.

Topical Issue on "Space Climate" for JSWSC

JSWSC has opened a new Topical Issue "Space Climate: Long-term effects of solar variability on the Earth's environment".

Close-up of the Sun

The ESA-led Solar Orbiter mission has experienced its second close encounter with the Sun. It is delivering more stunning data, and at higher resolution than ever before!

Gamma Ray Burst!

A strong gamma ray burst affected the Very Low Frequency (VLF) radio communications on 9 October.

Fun with the Sun!

On 25 October, a partial solar eclipse will be visible from most of Europe, northeast Africa, the Middle East and the western portion of Asia. The eclipse can be followed live at the ROB/USET and PROBA2 websites, which provide also additional explanations.

And so they meet again…

EUI perihelion

Solar Orbiter speeds towards its next rendezvous with the Sun on the evening of October 12.

Latest news on SC25

The STCE's SC25 Tracking page has been updated to reflect the latest evolution in some critical space weather parameters for the ongoing solar cycle 25 (SC25).


On 1 and 2 October, the Sun produced an M5, an M8 and an X1 flare. The source was not the large and complex active region NOAA 3112, but the much smaller and somewhat simpler NOAA 3110.



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