GWTC-4.0: Searches for Gravitational-Wave Lensing SignaturesDecember 18, 2025·LIGO Scientific Collaboration,Virgo Collaboration,KAGRA Collaboration· 0 min read Cite PreprintpublicationLast updated on December 18, 2025 ← Bayesian power spectral density estimation for LISA noise based on penalized splines with a parametric boost January 1, 2026All-sky search for continuous gravitational-wave signals from unknown neutron stars in binary systems in the first part of the fourth LIGO-Virgo-KAGRA observing run November 21, 2025 →