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 ...

Learn more about LIGO, the observatory that detected two massive black holes merging, the largest in recorded history.

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 ...

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

Named GW 231123 after the date it was recorded on 23 November 2023, it's the most massive black hole collision we've seen yet ...

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