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

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

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

In 2015, the Laser Interferometer Gravitational-wave Observatory (LIGO) directly detected gravitational waves, or ripples in space-time, for the first time ever—almost exactly one century after ...

The Laser Interferometer Gravitational-Wave Observatory (LIGO)'s LIGO-Virgo-KAGRA (LVK) collaboration has detected an ...

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

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

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

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

The powerful merger, designated GW231123, produced an extremely large black hole about 225 times the mass of our Sun.

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

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