GW250114: Testing Hawking’s Area Law and the Kerr Nature of Black HolesSeptember 10, 2025·LIGO Scientific Collaboration,Virgo Collaboration,KAGRA Collaboration· 0 min read Cite Preprint DOIpublicationLast updated on September 10, 2025 ← GW231123: A Binary Black Hole Merger with Total Mass 190–265 $M_ødot$ October 27, 2025Directed searches for gravitational waves from ultralight vector boson clouds around merger remnant and galactic black holes during the first part of the fourth LIGO-Virgo-KAGRA observing run September 9, 2025 →