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 ...

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

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

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

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

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

A gravitational wave has revealed the biggest black-hole merger ever recorded—so massive and extreme, it defies current astrophysical models. The clash formed a 225-solar-mass monster, possibly made ...

The massive bill is guided by spending requests from the White House. It will extend the 2017 Trump tax cuts, while cutting ...

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

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

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