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The massive black hole has been dubbed GW231123. Its unusual size and behavior is challenging scientists' understanding of ...
“It’s the most massive [merger] so far,” says Mark Hannam, a physicist at Cardiff University, UK, and part of the LVK ...
A puzzling gravitational wave was detected, and astronomers have determined that it comes from a record-breaking black hole ...
Gravitational-wave detectors have captured their biggest spectacle yet: two gargantuan, rapidly spinning black holes likely ...
The Laser Interferometer Gravitational-wave Observatory (LIGO) is no stranger to making history and breaking records. In 2015 ...