The 46th COSPAR Scientific Assembly will be held in Florence, Italy, 1 – 9 August 2026. The Call for Abstracts/Announcement will be posted here in due course and via a link in the August 2025 issue of Space Research Today, COSPAR’s information bulletin.  Much Assembly information, especially concerning the scientific program, will be included in this issue. No second announcement will be published although all information, as well as the updated program, will be posted as it becomes available.  The scientific program for the 46th Scientific Assembly will be accessible from mid-August 2025 by clicking the “46th COSPAR Scientific Assembly” link. Registration, accommodation, and other logistical information may be found as it becomes available on the website of the COSPAR 2026 Local Organizing Committee.

The complete scientific program for the 45th Scientific Assembly, held in Busan, South Korea, 13-21 July 2024, is accessible by clicking the “45th COSPAR Scientific Assembly” link. Registration, accommodation, and other logistical information can be found on the website of the COSPAR 2024 Local Organizing Committee.