Mar 26, 2026
The Horizon Europe project SPEARHEAD (SPEcification, Analysis & Re-calibration of High Energy pArticle Data) has successfully completed its second Interim Report Meeting (IRM2), marking another major milestone in the project’s lifecycle. Building on the strong...
Mar 19, 2026
Within the framework of the SPEARHEAD project, we present a new catalogue of high energy particles observed by SOHO/ERNE in the last three solar cycles (1996–2024), with protons of >100 MeV. The catalogue is based on a systematic identification of solar energetic...
Dec 19, 2025
In May 2025, the University of Turku hosted the intensive Master’s-level course High-energy Particles in the Heliosphere as part of the Horizon Europe SPEARHEAD project, bringing together students from across Europe both on-site and online. Over four weeks,...
Nov 25, 2025
1. Aim & Scope The third Workshop and School was hosted by CAU at Kiel. The School run from 04-08 September 2026 and Workshop #3 followed from 09-11 September 2026. Both gathered all Consortium Partners, members of the External Advisory Board (EAC), and young...
Nov 12, 2025
On 11 November 2025, a powerful X5-class solar flare erupted from the Sun at 10:10 UTC, associated with a fast coronal mass ejection (CME) directed towards Earth. The event — designated Ground Level Enhancement 77 (GLE77) — was one of the strongest solar energetic...