Jul 15, 2025 · Announced yesterday in a California Institute of Technology press release, the binary black hole merger, GW231123, is the largest ever detected with gravitational waves.

Characteristics GW231123 was the result of the merger of a 137+22 −17 M☉ black hole and a 103+20 −52 M☉ black hole creating a new intermediate-mass black hole. It occurred at an estimated …

Jul 14, 2025 · The LIGO-Virgo-KAGRA (LVK) Collaboration has detected the merger of the most massive black holes ever observed with gravitational waves using the US National Science …

Jul 15, 2025 · Physicists have detected the biggest ever merger of colliding black holes. The discovery has major implications for researchers’ understanding of how such bodies grow in the Universe.

Jul 14, 2025 · Scientists have detected the biggest black hole merger ever known — a gigantic collision from two massive space-time ruptures spiraling into each other — and it could hold evidence of the...

Jul 16, 2025 · On November 23, 2023, a groundbreaking astronomical event unfolded as scientists from the LIGO-Virgo-KAGRA Collaboration detected the most massive black hole merger ever observed.

Jul 14, 2025 · Physicists with the LIGO/Virgo/KAGRA collaboration have detected the gravitational wave signal (dubbed GW231123) of the most massive merger between two black holes yet observed, …

Jul 14, 2025 · Scientists have detected the most massive merger of black holes ever. This titanic collision, "heard" in ripples in spacetime called gravitational waves, involves black holes so massive...

Jul 21, 2025 · A record-breaking black hole collision has stunned scientists with its sheer scale and speed. Detected by the LIGO-Virgo-KAGRA observatories, the event merged two enormous black …

Jul 16, 2025 · Astronomers using the LIGO-Virgo-KAGRA gravitational wave detectors announced the most massive black hole merger ever seen.