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from the “Binary Merger Observations and Numerical Relativity” group

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Simulated gravitational wave events in a grid, colored in shades of blue and green, with logos at the bottom.

New catalog of LIGO-Virgo-KAGRA observations published

March 05, 2026

The latest catalog, GWTC-4, includes 128 new candidates from the fourth observing run, more than doubling the previous total. more

Abstract 3D visualization featuring colorful wave-like structures and a central gray sphere on a black backdrop.

Testing Einstein’s theory of relativity with the clearest gravitational-wave signal yet

January 29, 2026

An international team, with key contributions from AEI researchers, identified three gravitational-wave tones in GW250114 for the first time and conducted the most stringent tests of general relativity. more

Graphical display of cumulative detections across all four observing runs.

LIGO-Virgo-KAGRA Collaboration successfully wraps up its fourth Observing Run

November 19, 2025

Further exciting results anticipated from O4’s remaining parts more

Illustration of two black holes, one smaller than the other. Each is surrounded by a glowing accretion disk. The disks are tilted relative to each other.

LIGO-Virgo-KAGRA observe unlike twin signals

October 28, 2025

Latest gravitational-wave discoveries from fourth observing run provide new insights into black hole formation as well as particle physics more

Silhouettes of symbols of science, of the horse statue in front of Leibniz University Hannover, and of Leibniz against a bright green background. At the top, the words “Mitmachen, Staunen, Wissenschaft erleben”.

Night of Science 2025

September 16, 2025

Current research – presented live by researchers at the Max Planck Institute for Gravitational Physics in Hannover and at Leibniz University Hannover more