The future of at least one of the U.S. LIGO observatories is in jeopardy as deep cuts to science programs are proposed by the ...

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

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

Two colossal black holes among the most massive ever seen collided in deep space, creating gravitational waves that rippled ...

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

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

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

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

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

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 ...