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42nd Pacific Coast Gravity Meeting – February 27-28, 2026 at UC Riverside

42nd Pacific Coast Gravity Meeting - February 27-28, 2026 at UC Riverside 
The 42nd Jim Isenberg Pacific Coast Gravity Meeting will be held on Friday, February 27, 2026 - Saturday, February 28, 2026 at the University of California, Riverside.

In the tradition of the Pacific Coast Gravity Meetings, students and postdocs are strongly encouraged to participate, and all areas of gravitational physics—classical and quantum, theory and experiment—are welcome. We would like this meeting to serve as a communication medium among all branches of gravitational physics. Because this is a regional APS meeting, many participants will be from the Western U.S., but all are welcome.

The meeting is free to attend. There is no registration fee. However, we are not able to provide financial assistance to speakers and participants. A prize sponsored by the APS Division of Gravitational Physics (DGRAV) will be awarded for the best student talk.

Registration

Please register using this registration form. For full consideration, your application should be received by 11:59 PM on February 18, 2025. Late applications will be considered at the discretion of the organizers.

The Pacific Coast Gravity Meeting has grown to the point where we can no longer promise to accommodate all requests to speak. Priority will be given to talks by graduate students and postdocs.

DGRAV Prize

A prize will be awarded for the best talk by a student at the meeting. If you are eligible (i.e., if you are a graduate or undergraduate student), please be sure to indicate that on the registration form. Detailed eligibility criteria can be found here.

Program

Below is the tenative schedule of program events. Assigned talk slots will be posted in late February 2026.

Thursday, February 26

   5:00 PM –     6:00 PM Welcome Reception,  University Lecture Hall (map)

   6:00 PM –     7:00 PM Frontiers of Cosmology Public Lecture,  University Lecture Hall (map)
 Featuring APS President-Elect Brad Marston, with introductory remarks by 2017 Nobel Laureate Barry Barish

Friday, February 27

   9:00 AM – 10:30 AM Session I,  HUB 302 North (map)

10:30 AM – 11:00 AM Coffee Break

11:00 AM – 12:30 PM Session II,  HUB 302 North (map)

12:30 PM –    2:00 PM Lunch

   2:00 PM –    3:30 PM Session III,  HUB 302 North (map)

   3:30 PM –    4:00 PM Coffee Break

   4:00 PM –    5:30 PM Session IV,  HUB 302 North (map)

Saturday, February 28

   9:00 AM – 10:30 AM Session V,  HUB 302 North (map)

10:30 AM – 11:00 AM Coffee Break

11:00 AM – 12:30 PM Session VI,  HUB 302 North (map)

12:30 PM –    2:00 PM Lunch

   2:00 PM –    3:30 PM Session VII,  HUB 302 North (map)

   3:30 PM –    4:00 PM Coffee Break

   4:00 PM –    5:30 PM Session VIII,  HUB 302 North (map)

Logistics

Meeting Room

The conference will take place in the Highlander Union Building (HUB) in Room 302 North (see this campus map). Room 302 North is located on the third floor of the building (see this building map).

Conference Website

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Symposium & Memorial for Professor Rainer Weiss, February 27–28, 2026

The MIT Department of Physics and Kavli Institute for Astrophysics and Space Research would like to share with you plans for a symposium and memorial service honoring Professor Rainer Weiss, Nobel Laureate in Physics (2017) and longtime member of our faculty, whose visionary work made the discovery of gravitational waves possible.

Symposium: Friday, February 27, 2026 (all day) — A full day of scientific talks and reflections celebrating Rai’s pioneering contributions to physics and his profound influence on generations of researchers.

Memorial Service: Saturday, February 28, 2026 (morning) — A gathering of family, friends, and colleagues to honor his life and legacy.

We invite members of the scientific community, alumni, collaborators, and friends to join us in celebrating the life and work of Rai.

Both events will take place at MIT in Cambridge, Massachusetts, with further details—including venues and programs — to follow in the coming weeks.

We kindly ask you to indicate your intent to attend by using this form: Weiss Event Form.

Deepto Chakrabarty, MIT Physics Department Head

Robert A. Simcoe, Director, MIT Kavli Institute for Astrophysics and Space Research

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Gravitational Waves and Detection Technologies – PAS Rome Meeting 2026, March 16-17

Gravitational Waves and Detection Technologies - PAS Rome meeting 2026, jointly organized by the Polish Academy of Sciences, the University of Perugia and INFN Perugia, will take place in Rome from 16 March to 17 March 2026. This event aims to provide a platform for sharing recent advancements in the rapidly evolving field of gravitational-wave science, with a particular focus on detector science and experimental technologies.

The program will bring together researchers working on both theoretical and experimental aspects of gravitational waves, fostering exchange across different detector concepts, data analysis techniques and astrophysical applications. Talks will focus on the future of interferometric detectors, modern sensing technologies, signal processing methods and multi-messenger connections encouraging discussions that span physics, engineering and data science.

Invited speakers

prof. dr hab. Andrzej Królak, Institute of Mathematics of the Polish Academy of Sciences

prof. dr hab. Tomasz Bulik, Astronomical Observatory of the University of Warsaw

dott. Gianluca Gemme, Istituto Nazionale di Fisica Nucleare, VIRGO Collaboration spoke-person

Important dates

  • Opening abstract submission: Tue, 2 Sep 2025
  • Opening registration: Tue, 7 October 2025
  • Closing abstract submission: Fri, 5 Dec 2025 (extended to Fri, 19 Dec 2025)
  • Abstract acceptance notification: Mon, 5 Jan 2026
  • Closing registration (final): Mon, 9 Mar 2026

Meeting Website

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From LISA Pathfinder to LISA: Celebrating 10 years of the LPF launch, December 3-4 2025 at CSIC Catalan Delegation

On 3 December 2015, the European Space Agency launched LISA Pathfinder, a pioneering mission designed to test the technologies required to open a new window onto the Universe: the detection of low-frequency gravitational waves from space. Over its operational lifetime, LISA Pathfinder surpassed expectations, demonstrating with unprecedented precision that free-falling test masses could be shielded from all external forces, and that their motion could be tracked with picometre accuracy.

Now, ten years later, we come together to celebrate the success of this extraordinary mission, which laid the foundations for LISA, ESA’s future space-based gravitational wave observatory. LISA Pathfinder not only proved the feasibility of revolutionary instrumentation — from drag-free control to micro-newton thrusters — but also paved the way for a completely new form of astronomy. This anniversary is an opportunity to look back on a milestone in space science, and to look ahead to the scientific revolutions that LISA will bring.

Workshop Website

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Amplitudes, Strong-Field Gravity and Resummation, April 7-17 2026, Stockholm

Registration is now open for the Nordita Program on Amplitudes, Strong-Field Gravity and Resummation, to be held at Nordita (Stockholm, Sweden) from 7 to 17 April 2026.

The program is structured as follows:

Week 1 [April 7–10, 2026 (4 days)]: The PhD school will focus on foundations and tools for gravitational self-force, amplitudes, self-force EFT, resummation strategies and data analysis relevant to waveform modelling. Theoretical lectures will be complemented by hands-on programming sessions and dedicated tutorials.

Week 2 [April 13–17, 2026 (5 days)]: Workshop focused on uniting the weak-field (PM) and strong-field (GSF) approaches to the two-body problem, as well resummation strategies relevant for gravitational-wave phenomenology. Individual talks will be complemented by discussion sessions to promote cross-community interaction and constructive debates.

PhD School (7-10 April 2026)

Topics will include:

  1. Scattering amplitudes and the EFT approach to self-force.
    Lecturers: Nabha Shah (NBI) & Chia-Hsien Shen (Uppsala Univ. and NTU, Taiwan)
  2. Introduction to gravitational self-force theory.
    Lecturers: Leor Barack (Univ. of Southampton) and Barry Wardell (UCD)
  3. Introduction to Numerical Relativity, Resummation strategies and Data Analysis.
    Lecturer: Patricia Schmidt (Univ. of Birmingham)

Workshop (13-17 April 2026)

There is pressing need for high-precision models of gravitational waveforms from binary black hole mergers, driven by the increasing sensitivity of gravitational-wave detectors. The central theme of this program is how to leverage particle physics methods when calculating processes relevant to gravitational-wave phenomenology. In particular, the workshop focuses on uniting two key perturbative approaches — post-Minkowskian (PM) theory, effective for weak-field, widely separated systems, and gravitational self-force (GSF) theory, suited to extreme-mass-ratio systems in strong fields. Crucial to combining these tools is understanding the resummation of the perturbative series. We aim to bring together both experts and younger theorists from these communities, fostering new collaborations and combining our efforts to address the pressing questions at the interface between these fields.

Invited speakers: [* To be confirmed]

D. Akpinar (University of Edinburgh), L. Bohnenblust (Humboldt University), D. Bini* (IAC, Rome), A. Buonanno* (AEI, Potsdam), T. Damour* (IHES), J. Hoogeveen (Humboldt University), K. Lee (APCTP, Pohang), O. Long (AEI, Potsdam), J. Mathews (National University of Singapore), S. Mougiakakos (LUTH, Meudon), J. Parra-Martinez* (IHES), H. Pfeiffer (AEI, Potsdam), J. Plefka (Humboldt University), R. Porto (DESY), T. Rahnuma (APCTP, Pohang), P. Rettegno* (University of Turin), R. Russo (QMUL), J. Steinhoff (AEI, Potsdam), C-H. Shen (Uppsala University), M. van de Meent (NBI), A. Vaswani (University of Southampton), N. Warburton (UCD), Z. Zhou (Princeton).

Venue

The program will be hosted by Nordita in Stockholm (Sweden) from 7th – 17th April 2026.

Application/Registration

Due to limited space, registration will be moderated for both the PhD school and the workshop. You may apply to the PhD school only, the workshop only, or both. Registration to be considered for on-site participation will close on 31 January 2026; after this date, registrants will receive an on-site/remote participation confirmation from the organizers.

Remote participation: All talks will be livestreamed via Zoom, and recordings will be made available to registered participants who cannot attend in person.

Organizers

Lucile Cangemi — University of Edinburgh, United Kingdom
Paolo Di Vecchia — Nordita, Sweden
Riccardo Gonzo — Queen Mary University of London, United Kingdom
Chris Kavanagh — University College Dublin, Ireland
Adam Pound — University of Southampton, United Kingdom
Geraint Pratten — University of Birmingham, United Kingdom

Funding sources:

This workshop is partially supported by the UKRI/ERC grant GWModels.

Workshop Website

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APS Global Physics Summit, March 15-20 2026 in Denver and online

The joint March and April American Physical Society Meeting, known as the Global Physics Summit, will be held in Denver, CO, USA March 16-19, 2026. 

Contributed abstracts are invited at https://summit.aps.org/attend/abstracts/ , and are due October 23, 2025

Abstracts are particularly welcome on O4 results (noting that the abstracts will be public well in advance of March 2026), preparations for O5, and status of ongoing work. Sessions are anticipated on instrumentation, analysis, results, and much more!

Please recall that abstracts, presentations, and posters are subject to PnP policies, so circulation within working groups ASAP is recommended.

Meeting Website

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Capra 29 in Brussels, June 26 – July 3, 2026

We are pleased to announce that the 29th Capra Meeting on Radiation Reaction in General Relativity will be hosted in Brussels from Monday June 29th to July 3rd 2026. It will take place as a Solvay workshop organised by the International Solvay Institutes.

Further information about Capra 2026 will be posted in the coming months on https://www.caprameeting.org/ and https://solvayinstitutes.be/home/activities/workshop/ .

The Capra meeting is an annual conference on the topic of radiation reaction in general relativity. The primary focus of these conferences is the development of the gravitational self-force approach to model extreme mass ratio inspirals and further our understanding of the two-body problem in general relativity. This is done in synergy with other well-known modeling techniques such as post-Newtonian theory and numerical relativity. The canonical example of an extreme-mass-ratio inspiral (EMRI) is the inspiral of a stellar-mass compact object into a supermassive black hole. Gravitational waves from these systems are a promising target for the future space-based detector LISA.

The study of radiation reaction and self-force is not limited to EMRIs, and a range of topics and applications to other areas of gravitational physics have been discussed at past Capra meetings; an example is the scattering of massive particles, which is currently an active area of research. The format of the meeting is an amalgamation of a daily invited review talk, short contributed talks and organised discussion sessions.

Following the tradition of past Capra meetings, no registration fee is charged. A contribution of 50 euros to the banquet will be requested at registration for the attendees that would like to join the banquet. Several selected early career researchers will be funded by providing up to 6 nights of accommodation during the conference. Applications will be reviewed by members of the local organising committee and the equity, diversity and inclusion team at Capra.

The international scientific committee
Leor Barack, Susanna Barsanti, Béatrice Bonga, Alvin Chua, Lisa Drummond, Scott Hughes, Adam Pound, Vojtěch Witzany

The local organizing committee
Geoffrey Compère, Lidia Gomes Da Silva, Marc Henneaux, Loïc Honet, Guillaume Lhost, Gabriel Piovano

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4th Einstein Telescope Annual Meeting, November 11-14, 2025 in Opatija, Croatia

The 4th Einstein Telescope Annual Meeting presents an opportunity to discuss key aspects of the ET collaboration and design.

Hosted by the University of Rijeka, the event will be held at the Drago Gervais multifunctional hall, located in the heart of the nearby Opatija.

The meeting is open to all members of the ET collaboration, beginning on the morning of Tuesday, November 11, and concluding on Friday, November 14 at lunchtime.

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

Social events:

  • Early Career Researchers Meeting: November 11
  • Conference Dinner: November 13

Local Organizing Committee:
Marin Karuza, Marina Manganaro, Karlo Veličan, Jonatan Lerga from University of Rijeka and Željka Bošnjak from University of Zagreb

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

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Belgian-Dutch Gravitational Wave Meeting, October 27-28 at Radboud University

The 13th edition of the Belgian-Dutch Gravitational Wave Meeting will be hosted by the Radboud University in Nijmegen on Oct 27 - 28 2025. This annual meeting aims to bring together physicists and astronomers interested in all aspects of gravitational-wave science, to inform each other of recent developments, discuss (strategic) topics and informally meet each other.

Meeting Website