
News
Gravitational Waves Group
Results
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.
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.
Network
IFAE joins REDONGRA, a network to propel Spain’s role in gravitational wave astronomy
July 7, 2025
The Institut de Física d’Altes Energies (IFAE) is one of the key partners in REDONGRA, the new Spanish Network of Gravitational Wave Physics. The initiative brings together 20 research institutions to coordinate Spain’s contribution to gravitational wave science.
