The largest black hole collision ever recorded has scientists' jaws on the floor — and scratching their heads.

The massive black hole has been dubbed GW231123. Its unusual size and behavior is challenging scientists' understanding of ...

It took less than a second for the space observatory hidden in Louisiana woods to detect a black hole that is that is ...

Gravitational-wave detectors have captured their biggest spectacle yet: two gargantuan, rapidly spinning black holes likely ...

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

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

A U.S. gravitational wave detector spotted a collision between fast-spinning “forbidden” black holes that challenge physics ...

“It’s the most massive [merger] so far,” says Mark Hannam, a physicist at Cardiff University, UK, and part of the LVK ...

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

Astronomers have detected the signal of a colossal black hole in deep space that likely formed when two already-large black ...

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