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

The Trump administration has called for shutting down either a Tri-Cities, WA, or Louisiana observatory that work in tandem.

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

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

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

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

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

The LIGO-Virgo-KAGRA (LVK) collaboration has announced a groundbreaking discovery in the field of gravitational wave ...

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

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 ...

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.