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LIGO-Virgo-KAGRA Collaboration Meeting September 21 – 25, 2026 at IUCAA, Pune

The September 2026 LIGO–Virgo–KAGRA (LVK) Collaboration Meeting will be held in Pune, India. 

Venue: IUCAA, Pune

Date: September 21 – 25, 2026

Registration Fees: There will be a registration fee for this conference. The details of registration fee payment will be updated in due course in the Registration page.

Coordinator:

  • Sanjit Mitra(IUCAA)

Code of conduct:

Meeting participants are expected to follow the LVK Code of Conduct:
https://dcc.ligo.org/LIGO-M1900037

Participants will avoid any inappropriate actions or statements based on individual characteristics such as age, race, ethnicity, sexual orientation, gender identity, gender expression, marital status, nationality, political affiliation, ability status, or educational background. Disruptive or harassing behaviour of any kind will not be tolerated. Harassment includes but is not limited to inappropriate or intimidating behaviour and language, unwelcome jokes or comments, unwanted touching or attention, offensive images, unwelcome photography, and stalking. Disruptive behaviour includes instances of disrespect and lack of civility in interactions with colleagues. All participants are expected at all times to deal with and address their fellow colleagues with respect and courtesy. This includes, but is not limited to, behaviour in in-person meetings, virtual (remote) meetings and email communications.

For any queries: Please write email to – lvk.pune(at)iucaa.in

Meeting Website

Universe Unravelled: Cosmic Strings at 50, September 1-5, 2026 in Cambridge

In a seminal paper in 1976, Tom Kibble first proposed the notion of cosmic strings, and a rich legacy of research in the field has followed over the past fifty years. A central goal of this Universe Unravelled workshop will be to revisit unresolved questions about cosmic strings that underpin predictions for cosmological observables, ranging from gravitational wave signals to axion masses. The workshop is intended to prioritise discussion with ample time to develop collaborative directions that could advance these outstanding challenges. The workshop is intended to prioritise discussion with ample time to develop collaborative directions that could advance these outstanding challenges.

In broad outline, the programme will include the following topics:

  • Retrospective perspectives on cosmic strings: their legacy, observational signatures, and future prospects.
  • Cosmic strings dynamics and scaling network evolution: Nambu-Goto and field theory simulations, and their correspondence with analytic modelling, including loops and radiative backreaction.
  • Quantifying cosmic string observables: gravitational waves, dark-matter axions, the CMB, and other probes.
  • Exploring cosmic string phenomenology: superstring networks, GUT-scale and EW strings, and superconductivity.
  • Connections with other topological defects and recent developments.

Cambridge venue

The conference venue is the Centre for Mathematical Sciences, the award-winning buildings that have housed the Department of Applied Mathematics and Theoretical Physics since 2000. With its excellent facilities and good transport connections to international airports, the CMS has an excellent track record hosting international conferences.

Conference Website

10th Roma International Conference on Astroparticle Physics, September 7-11 2026

RICAP-2026 will be the 10th edition of the RICAP Conference. The acronym stands for Roma International Conference on Astro-Particle physics. The Conference, entirely dedicated to the study of high energy cosmic rays, traditionally has been organized by the INFN Sections and Physics Departments of Roma Universities “La Sapienza”, “Tor Vergata” and “Roma Tre”.

The 10th edition of the Conference will be hosted by the Sapienza University of Roma. The aim of the Conference will be to present and discuss some of the most relevant theoretical and experimental results in the field of high energy cosmic radiations (gamma, neutrinos, charged cosmic rays). Special attention will be paid to the multi-messenger search for high energy cosmic rays sources, including gravitational wave searches. A special session will be dedicated to Dark Matter search and to low energy study of inherent neutrino properties. The Conference will give the opportunity to collect experimental results from presently operating experiments. Experiments in progress and future projects will be discussed, debating on different features and on sensitivities.

Conference Website

5th Einstein Telescope Annual Meeting, November 23-27 2026 in Prague

The 5th Einstein Telescope Annual Meeting will take place in the beautiful historical city of Prague and it presents an important opportunity to discuss key aspects of the ET collaboration and design.

Hosted by FZU – Institute of Physics of the Czech Academy of Sciences, the event will be held directly at FZU premises. The modern Adéla Kochanovská Hall will host the plenary session, and parallel sessions will be hosted in other lecture halls and seminar rooms at FZU (address point: Pod Vodárenskou věží 3, Praha 8). The location is in the northern part of Prague, very close to the subway station “Ládví” (red line C, 15 minutes to city centre).

The meeting is open to all members of the ET collaboration, beginning with the lunch on Monday, November 23, and concluding again with the lunch on Friday, November 27.

Participants can join all sessions online via Zoom. Zoom links will be provided as attachments in the session timetable.

Social events:

  • Welcome Cocktail: Monday, November 23
  • Early Career Researchers Meeting: Tuesday, November 24
  • Concert of Classical Music: Wednesday, November 25
  • Conference Dinner: Thursday, Novermber 26

The concert will most likely take place in the Church of Our Lady before Týn, directly at the Old Town Square, where also the grave of Tycho Brahe is located.

Local Organizing Committee: Michael Prouza, Asen Christov, Věra Ondřichová and Michaela Pokorná, all from FZU Prague.

We look forward to welcoming all participants, both in person and online, for a productive and engaging meeting!

The registration is not needed for online participants.

Meeting Website

NEHOP 2027 – New Horizons on Primordial Black Hole Physics, June 14-18, 2027 at University of Patras

After four very successful editions in Naples, Edinburgh, Brussels and CERN we are delighted to announce the fifth New Horizons in Primordial Black Hole Physics (NEHOP'27) workshop. This year, it will take place in the beautiful city of Patras, Greece, from 14th to 18th of June, 2027.

This workshop event aims to nurture discussions and bring together experts on the broad topic of Primordial Black Holes (PBHs). From their phenomenological implications, their possible relationship to extant problems in the SM (dark matter, neutrino masses, baryon asymmetry, inflation), their theoretical underpinnings and origin, to the multi-messenger signals that are motivating state-of-the-art experimental developments.

While most talks will consist of short, technical presentations by young researchers, a small number of expert talks will be included to both provide comprehensive overviews and present new results on key topics.

Conference Website

XV International Conference on New Frontiers in Physics (ICNFP2026), August 19-30 2026, Crete, Greece

The International Conference on New Frontiers in Physics aims to promote scientific exchange and the development of novel ideas in science, with a particular emphasis on interdisciplinary collaboration. The conference will bring together experts from around the world, as well as promising young scientists working on experimental and theoretical aspects of particle, nuclear, heavy ion, and astroparticle physics and cosmology, along with colleagues from other disciplines, such as solid-state physics, mathematics, mathematical physics, quantum optics, and more.

The conference will be hosted at the Conference Center of the Orthodox Academy of Crete (OAC), which is situated in an exceptionally beautiful location just a few meters from the Mediterranean Sea.

Arrival day: Wednesday, 19 August 2026
Departure day: Sunday, 30 August 2026

Conference Website

Cosmological Fundamental Observables and Novel Discoveries in Universe Evolution, January 25-29, 2027 at CERN

hile new discoveries in cosmology have revolutionized our understanding of the Universe over the past decades, many unresolved mysteries remain, such as the nature of dark energy or the physical processes occurring in the earliest stages of history. To resolve these questions in light of new observations, joint efforts across the whole community are needed.

The conference Cosmological Fundamental Observables and Novel Discoveries in Universe Evolution (CosmoFONDUE) aims at offering an occasion for scientists across all fields of cosmology to interact in an engaging and inclusive atmosphere, and to reflect on promising new research directions. A special focus is put on fostering exchange among junior and senior researchers. The conference will cover a broad range of topics across the full redshift span, including:

  • Inflation, pre-CMB cosmology
  • CMB surveys
  • Neutrino & particle cosmology
  • Gravitational waves
  • Galaxy surveys, large-scale structure observables
  • Intensity mapping
  • Supernovae
  • Modified gravity
  • Cosmological tensions

Confirmed speakers:

  • David Alonso (U. of Oxford)
  • Tessa Baker (Portsmouth U., ICG)
  • Julien Carron (U. Geneva)
  • Edmund Copeland (Nottingham U.)
  • Rachel Gray (U. of Glasgow)
  • Kylar Greene (Seoul Natl. U. )
  • Lavinia Heisenberg (Heidelberg U.)
  • Oksana Iarygina (NORDITA)
  • Jae Hyeok Chang (Seoul Natl. U.)
  • Elisabeth Krause (U. of Arizona)
  • Sung Mook Lee (CERN)
  • Vivian Poulin (U. Montpellier)
  • Mickael Rigault (U. Lyon)
  • Marta Spinelli (Observatoire de la Côte d’Azur)
  • Licia Verde (ICCUB)
  • Seokhoon Yun (Kyungpook Natl. U.)

Conference Website

Ripples Through Time: Past Triumphs, Mapping the Future, November 25-27, 2026 at UWA Perth

Celebrating 50 years of gravitational wave research, science education, and future innovation

A century ago gravitational wave detection was thought to be impossible. Fifty years ago it was the quest of a small bunch of intrepid physicists. They faced challenge after challenge, but their optimism persisted. They uncovered new physics, invented novel instruments and new techniques. New disciplines like quantum optomechanics, space laser communication, clock technology and airborne exploration technologies emerged from their efforts. Year after year they overcame setbacks, never imagining that it would take 40 years of struggle to achieve their quest.

When the direct detection of gravitational waves was finally achieved in 2015, it marked the beginning of a new era in astronomy. It brought with it surprises and opportunities, new horizons and new questions. Today, thousands of researchers all over the world work together, using increasingly sensitive detectors to explore the universe in ways that were once unimaginable.

This symposium marks fifty years since Australia became part of the international quest to detect gravitational waves. Celebrating the remarkable achievements of gravitational wave researchers, it aims to inspire the next generation of scientists, map the future, and identify opportunities. What are the greatest challenges, what might we discover and what is the future of physics?

The symposium is held in honour of David Blair, commemorating his 80th birthday and recognising his extraordinary 50 years of contributions to physics, physics education and public awareness of science.

Symposium Website

APS Division of Particles and Fields (DPF), July 20-24, 2026 at Fermilab

The 2026 edition of the APS Division of Particles and Fields (DPF) meeting will be held at Fermilab on July 20-24, 2026.

Registration is now open. Please note May 20 registration deadline for non-US citizens.

Abstract submission for parallel talks and posters is now open at https://indico.fnal.gov/event/72820/abstracts/

The Fermilab Users and Affiliates Meeting will be held on the overlapping Friday, July 24, 2026 https://indico.fnal.gov/event/73552/

Please note that low-cost housing ($50/night) will be available in dormitories at nearby Benedictine University.

A limited number of student travel awards will be available: https://indico.fnal.gov/event/72820/page/4422-student-travel-awards

Important deadlines:

  • Abstract submission deadline: May 11, 2026
  • In‑Person Registration (Non‑U.S. Citizens): May 20, 2026 at 5:00 PM CST
  • In‑Person Registration (U.S. Citizens): June 20, 2026 at 5:00 PM CST
  • Virtual Registration: July 1, 2026 at 5:00 PM CST

Meeting Website

Gravitational Waves at the Fin del Mundo, January 11-22 2027, Universidad Central La Serena

Since the historic first detection in September 2015, gravitational wave observations have become routine, with the LIGO-Virgo-KAGRA network now detecting approximately one black hole merger every three days and having captured around 300 events to date. The future promises even more: next-generation detectors like the Einstein Telescope and Cosmic Explorer are expected to detect hundreds of thousands to millions of compact binary coalescences per year. These observations enable tests of fundamental physics in strong-gravity regimes, insights into the nature of compact objects and the evolution of stars, probes of cosmological evolution, and opens the possibility of multi-messenger astrophysics.

Join us for the 4th Gravitational Wave School in Chile (January 11-15), continuing a proud tradition of training a new generation of latin-american scientists in this growing and exciting research field. This time, the event will be followed by the international conference Gravitational Waves at the Fin del Mundo (January 18-22), inviting world-leading experts in strong-field gravitational physics and astrophysics.

These events will be held at Universidad Central in La Serena, Chile. La Serena is a charming seaside, in a region renowned for its pisco production and tropical papayas. Most importantly, La Serena serves as the gateway to some of the world’s most important astronomical facilities, including Vera C. Rubin Observatory, Cerro Tololo, Gemini, Las Campanas, and La Silla—making it the perfect location to explore the future of gravitational wave astrophysics.

4th Gravitational Wave School: Lecturers

Thomas Sotiriou (University of Nottingham)
Katerina Chatzioannou (Caltech)
Alessandra Corsi (Johns Hopkins University)
Pablo Marchant (Ghent University)

Gravitational Waves at the Fin del Mundo: Invited Speakers

Max Bañados (Catholic University of Chile)
*Clécio R. Bom (Brazilian Center for Physics Research)
Vitor Cardoso (Niels Bohr Institute)
Cecilia Chirenti (University of Maryland)
Katy Clough (Queen Mary University of London)
Anuradha Gupta (University of Mississippi)
Natalia Korsakova (Université Côte d’Azur)
Luis Lehner (Perimeter Institute)
Caio Macedo (Federal University of Pará)
*Rafaella Margutti (University of California, Berkeley)
Nicolás Yunes (University of Illinois Urbana-Champaign)

*To be confirmed

School Website