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LIGO–Virgo–KAGRA complete their richest gravitational-wave observation run to date

November 18, 2025

The LIGO–Virgo–KAGRA (LVK) Collaboration has announced the completion of O4, the most productive gravitational-wave observation run so far, yielding an unprecedented number of candidate events and high-quality data for the scientific community.

New Member

New member in the Observational Cosmology group

October 29, 2025

Daniel Lozano is joining the Observational Cosmology group as a PhD

New Member

New member in the Gravitational Waves group

October 29, 2025

Jam Sadiq is joining the Gravitational Waves group as a PostDoctoral researcher

Results

LIGO, Virgo and KAGRA observed 'second generation' black holes for the first time

October 29, 2025

LVK announced the detection of two gravitational-wave signals — designated GW241011 and GW241110 — that indicate the merger of binary black holes exhibiting unusual mass ratios and spin orientations.

Featured in the media

Pol Forn-Díaz featured in the media

October 15, 2025

Pol Forn-Díaz comments on the Nobel Prize in Physics in superconducting circuits, the field his group works in

New Members

New members in the Theory group

October 8, 2025

Saarik Kalia and Pablo Sesma joined the Theory group at IFAE

New Member

New member in the Observational Cosmology group

October 8, 2025

Fernando Abarzuza is joining the Space Missions and Detectors group within the Observational Cosmology group as a PhD

New Members

New members in the Observational Cosmology group

October 2, 2025

Pablo Jimenez and Suprio Dubey joined the ATLAS group at IFAE

New Member

New member in the Medical Physics group

October 2, 2025

Claudio San Martín has joined the Medical Physics group as PhD student.