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Polar coronal holes

Latest images seem to indicate that there's now finally one (small) persistent coronal hole at each of the solar poles.

Topical Issue: "Energetic Solar Eruptions and the Dynamic Particle Environment in the Heliosphere"

The Journal of Space Weather and Space Climate (JSWSC) opens a Topical Issue (TI) entitled "Energetic Solar Eruptions and the Dynamic Particle Environment in the Heliosphere". This Topical Issue is motivated by recent scientific advances and discussions within the Horizon Europe projects SPEARHEAD (SPEcification, Analysis & Re-calibration of High Energy pArticle Data) and SOLER (Energetic Solar Eruptions: Data and Analysis Tools).

RAISEARTH kicks off

The RAISEARTH Kick-off Meeting took place on 6-7 October 2026 at Arenberg Castle in Leuven, Belgium, hosted by KU Leuven. Representatives of all 21 partners from 14 European countries met to turn the project's four-year vision into a concrete plan for the first year.

Topical Issue "Cross-Scale Coupling Processes in the Solar-Terrestrial System"

The Journal of Space Weather and Space Climate (JSWSC) has opened a Topical Issue (TI) "Cross-Scale Coupling Processes in the Solar-Terrestrial System"

Tracking SC25

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

The solar eclipse of 12 August

The solar telescopes of the Royal Observatory (USET) observed the partial -as seen from Belgium- solar eclipse of 12 August 2026.

Open Door Days

What goes on inside the walls of the Space Pole institutes in Uccle?

On 26 and 27 September, we opened our doors tot the public, and almost 9000 visitors came by to find out and help us celebrate the 20th anniversary of the STCE and the 200th anniversary of the Royal Observatory of Belgium!

Topical Issue "Space Climate: From Solar Variability to Terrestrial Impacts"

The Journal of Space Weather and Space Climate (JSWSC) has opened a Topical Issue (TI) "Space Climate: From Solar Variability to Terrestrial Impacts".

STCE hosts MILSWx-10

From September 7 to 10, military and civilian space weather experts gathered at the STCE to discuss key advances and challenges in military space weather. The STCE, in collaboration with the METEOWING of the Belgian Armed Forces, had the pleasure of hosting.

Antics of a spotless active region

On 5 September, a spotless active region produced an M-class flare which was associated with a fast coronal mass ejection and a minor proton event. (***ADDENDUM***)

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