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

A short-lived ripple in space-time revealed that two black holes merged into a giant black hole with the mass of 225 suns ...

The new black hole has more than 200 times the mass of our sun – and is challenging theories of how objects form in space ...

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

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

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

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

The most massive black hole merger to date was detected at a Washington state observatory, producing a black hole about 225 ...

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

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 ...