At 225 solar masses, this gargantuan merger of two black holes challenges our thinking on these famously elusive objects.

Gravitational-wave detectors have captured their biggest spectacle yet: two gargantuan, rapidly spinning black holes likely forged by earlier smash-ups fused into a 225-solar-mass titan, GW231123. The ...

An international team of physicists discovered the largest-ever merger of 2 black holes through a phenomenon known as ...

The LIGO Hanford Observatory near the Tri-Cities and its twin in Louisiana detected ripples of time and space passing through ...

The future of at least one of the U.S. LIGO observatories is in jeopardy as deep cuts to science programs are proposed by the ...

The Laser Interferometer Gravitational-wave Observatory (LIGO) is no stranger to making history and breaking records. In 2015 ...

The Trump administration has called for shutting down either a Tri-Cities, WA, or Louisiana observatory that work in tandem.

The merger wasn’t just the biggest ever, but also an event so rare that it challenges existing models for black hole genesis.

A collision observed between two black holes, each more massive than a hundred suns, is the largest merger of its kind ever ...

A puzzling gravitational wave was detected, and astronomers have determined that it comes from a record-breaking black hole ...