Thematic school GWsNS-2026: Gravitational Waves from Neutron Stars, June 28 – July 3 2026, France The thematic school Gravitational Waves emission from proto-neutron stars and Neutron Star mergers (GWsNS-2026) is a graduate school that will cover several aspects of the gravitational wave (GW) emission from neutron stars, with special attention to neutron star mergers and proto-neutron stars. This is the 2026 edition of the event GWsNS-2023 (check the website for the lecture material of the previous edition!), and will take place at the Station Biologique de Roscoff (Brittany, France), a CNRS facility with full conference infrastructure and on-site accommodation. School Website

GRASS 2026 June 22-24 – GRAvitational-wave Science&technology Symposium, Padova, Italy The 5th GRAvitational-wave Science&technology Symposium (GRASS 2026) will be held in Padova (Italy) on 22 – 24 June 2026. The symposium will emphasize open issues and key enabling technologies at the forefront of the most advanced detection techniques. It represents an informal and unique meeting occasion for experts from different fields involved in experimental aspects of future gravitational-wave science and technology. Symposium Website

BritGrav 2026, April 9-10 in Cardiff The 26th BritGrav meeting will be hosted by the Gravity Exploration Institute at the School of Physics and Astronomy at Cardiff University. The aim of BritGrav is to bring together early-career researchers working on all aspects of gravitational physics, including astrophysics, cosmology, general relativity, quantum gravity, gravitational-wave data analysis and instrumentation. Conference Website

CosmoVerse@Bilbao 2026, September 15-19 Our understanding of the Universe is at a turning point with the predictions of the standard cosmological model and the observations from different surveys are showing tensions in several key areas. The disagreement is expressed in the value of cosmic expansion as well as in the growth of large-scale structure in the Universe. New cosmological surveys, many of which are European, may expose tension in additional areas of the concordance model. Conference Website

XVI Einstein Telescope Symposium, June 15-19 2026 in Aachen The upcoming Symposium will take place in Aachen from June 15th at noon until June 19th early afternoon. Hosted by the RWTH Aachen University, the event will be held at the central campus of the University in the heart of the city of Aachen. Registrants can also participate in every session online via a two-way zoom connection. Zoom links for each session can be found as an attachment to the session in the Indico timetable. Symposium Website

Supermassive Black Holes and Blue Notes, June 29 – Juli 3 2026 at Université de Montréal Held a week before the world-renowned Montreal International Jazz Festival, the conference aims to spotlight the significant progress made in the study of supermassive black holes, addressing open questions and exploring future prospects, particularly in the wake of the latest observations from JWST. Conference Website

From Black Holes to the Cosmos, August 24-28 at SISSA, Trieste This conference honors the scientific legacy of Matt Visser, whose pioneering work has profoundly influenced our understanding of general relativity, quantum field theory in curved spacetime, wormholes, energy conditions, analogue gravity, and beyond. Conference Website

16th International LISA Symposium, June 21-26, 2026, College Park, Maryland The 16th International LISA Symposium will highlight gravitational wave astrophysics, with a primary focus on the most up-to-date theory and analysis that will inform science to be performed by the Laser Interferometer Space Antenna. Conference Website

Gravity2026: New Frontiers in Cosmology, April 27 – May 1 2026 in Daejeon The aim of the workshop is to foster comprehensive and in-depth discussions on the rapidly expanding frontiers of gravitational physics. The program will cover a wide spectrum of topics central to cosmology, including gravitational waves, early- and late-time cosmology, and theories of modified gravity. Workshop Website

Einstein Telescope Vacuum and Cryogenics Industrial Workshop: opportunities and challenges, April 21–22 2026 at CERN The purpose of the workshop is to bring together the leading institutes which are designing the vacuum and cryogenic systems of the Einstein Telescope (the third generation gravitational wave detector which is currently being designed in Europe) and European Big Science industries specialised in vacuum and cryogenic technologies, to discuss the challenges and opportunities ahead. Workshp Website