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

This is the most massive black hole binary we’ve observed through gravitational waves, and it presents a real challenge to ...

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

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

Scientists have detected gravitational waves from a black hole collision, revealing one with an unexpected mass that challenges existing theories about star death.

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

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

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

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

It took less than a second for the space observatory hidden in Louisiana woods to detect a black hole that is that is ...