BIFROST – Black hole Insights: navigating the FROntiers of SpaceTime, October 20-22, 2025, Odense „Bifrost: Black Hole Insights – navigating the FROntiers of SpaceTime“ is a dedicated workshop aimed at gathering leading experts from observational astronomy to theoretical physics. Together, participants will explore novel ideas that will help bridge classical and quantum gravity. Workshop Website

LVK Meeting, September 8-12 2025, Fort Collins, Colorado The September LVK Meeting will take place from September 8-12 at Colorado State University in Fort Collins, Colorado. Please register by Sunday, August 24, 2025 at 11:59 pm MST. Conference Website

Materials for Advanced Detectors 2025, October 6.-7., Leibniz-Insitut für Kristallzüchtung (IKZ) MAD Workshop is an excellent opportunity to connect with collegues involved in the development of advanced materials for gravitational wave detectors as well as with researchers from crystal growth community and industry who share a deep interest in the topic. Together we will discuss recent achievements and challenges in material research and outline prospects for future cooperation. We are confident that face-to-face workshops with a lot of space for personal interaction and individual meetings will contribute to achieving our common goals. Workshop Website

Quantum Universe Attract.Workshop, November 23-25, 2025 at Universität Hamburg/DESY On behalf of the Cluster of Excellence Quantum Universe at the University of Hamburg and DESY, we cordially invite your final year Master students, doctoral researchers and postdoctoral researchers in particle physics, astroparticle physics, astrophysics and mathematical physics/mathematics to our Attract.Workshop, November 23–25, 2025 in Hamburg. Workshop Website

GWFREERIDE: Carving the AI Gradient in Gravitational-Wave Astronomy, January 26-30 2026, Sexten (Italy) This workshop brings together experts from gravitational-wave astronomy, artificial intelligence, and astrophysical modeling to define key challenges and opportunities for AI in the coming decade. Through interdisciplinary discussions, participants will define pathways to enhance detection and parameter estimation, waveform modeling, and population analysis. The goal is to develop a strategic roadmap for integrating AI methods into gravitational-wave science and maximize the return from future observational campaigns. Workshop Website

14th Cosmic-Ray International Studies and Multi-messenger Astroparticle Conference, July 13-17 2026, Sorrento The main focus of the CRIS-MAC conference is the multi messenger aspects of astroparticle physics which naturally includes fields such as cosmic-ray physics, gamma-ray and multi-wavelength astronomy, astrophysical neutrinos and gravitational waves. The program includes invited lectures, contributed talks, posters and flash talks. Conference Website

HEAD 22, October 12-16 2025, St. Louis The 22nd meeting of the AAS High Energy Astrophysics Division (HEAD) will be held 12-16 October 2025 at the Hilton St. Louis at the Ballpark in St. Louis, Missouri. Meeting Website

Theoretical Tools for Gravitational Wave Physics, November 3-5 2025 at ETH Zurich As we progress into the era of gravitational wave (GW) astronomy, robust theoretical frameworks are essential for interpreting data and uncovering new physics. This workshop is dedicated to the deployment of tools from theoretical physics for GW phenomenology. Workshop Website

The 10th Anniversary of the discovery of Gravitational Waves, September 15-17 2025 in Palma, Balearic Islands, Spain To celebrate the 10th anniversary of the momentous first detection of gravitational waves, GW150914, a two-day international scientific meeting will be held at the Auditorium on the ParcBit campus, adjacent to the University of the Balearic Islands in Mallorca, Spain, on Monday, September 15, and Tuesday, September 16. The event will be followed by outreach activities for local students and the general public on Wednesday, September 17. Conference Website

HEAD 22 Meeting, October 12-16 2025 in St. Louis The 22nd meeting of the AAS High Energy Astrophysics Division will be held 12-16 October 2025 in St. Louis, Missouri. HEAD 22 promises to provide a lively environment, a jam-packed scientific schedule, and the chance to connect with colleagues and friends. Meeting Website