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

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

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

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

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

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

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

To date, the collaboration has detected dozens of merger events since its first Nobel Prize-winning discovery. Early detected ...

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 ...

New gravitational wave findings from the LIGO-Virgo-KAGRA Collaboration report the discovery of the largest black hole merger ...

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