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

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

A gravitational wave has revealed the biggest black-hole merger ever recorded—so massive and extreme, it defies current astrophysical models. The clash formed a 225-solar-mass monster, possibly made ...

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

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

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

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

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

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

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

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

A collaboration between humanity’s three gravitational wave detectors have identified a black hole merger event that created ...