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

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

A strophysicists have discovered the largest known merger of two black holes to form a larger single hole about 225 times the mass of the sun. The violent collision between the spinning objects, one ...

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

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

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

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 ...

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

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

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 ...

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