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Gravitational Waves

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LVK Releases GWTC-5.0 Catalog Expanding Gravitational-Wave Census to 390 Events

This update expands the catalog by 150 O4b binary-black-hole candidates demonstrating that astrophysical calibration can improve source measurements.

Study Points to Tight Supermassive Black Hole Binary in Markarian 501

Eccentric Orbit Confirmed in Neutron Star–Black Hole Merger GW200105

LIGO–Virgo–KAGRA Unveil Catalog That More Than Doubles Gravitational-Wave Detections

Caltech Team Flags Candidate 'Superkilonova' After August Gravitational-Wave Alert

Caltech Team Reports Candidate 'Superkilonova' From August Gravitational-Wave Alert

Astronomers Report Candidate 'Superkilonova' Linked to 2025 Gravitational-Wave Alert

LVK’s 2024 Black-Hole Mergers Now Tied to a Low-Mass, Fast-Spinning Subpopulation

Twin Black-Hole Mergers Display Extreme Spins, Strengthen Einstein’s Theory, and Point to Second-Generation Origins

New 'Beat' Method Aims to Pinpoint Sources of Nanohertz Gravitational Waves

Wormhole Hypothesis Revives 2019 Wave Mystery as New Data Bolster Black‑Hole Physics

Astronomers Measure First Black-Hole Recoil, Tracing Newborn’s 3D Flight From 2019 Merger

Crystal-Clear GW250114 Validates Hawking’s Area Law, Confirms Kerr-Like Remnant

LVK Confirms Record-Breaking 225-Solar-Mass Black Hole Merger

Record-Breaking 225-Solar-Mass Black Hole Merger Challenges Formation Models

Astronomers Confirm Rare Binary with Neutron Star Stripping Companion