At 225 solar masses, this gargantuan merger of two black holes challenges our thinking on these famously elusive objects.

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

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

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 ...

Astrophysicists have analyzed two merging black holes; the team's best models suggest that at least one, if not both, of the ...

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

Using ripples in space-time predicted by Einstein, a team of researchers has detected a cosmic merger of unprecedented ...

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

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

Astronomers have detected the most massive black hole merger ever observed, challenging stellar evolution and 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 ...

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