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

The phenomenon is a key to galaxy formation. When galaxies collide, their central supermassive black holes often merge, forming larger ones, as seen in the Milky Way future collision with Andromeda in ...

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

As NASA reports, two astronomers working with raw Webb data the space agency periodically makes available to researchers, ...

Scientists say the two black holes merged after colliding at speeds near the limit allowed by Albert Einstein’s theory of ...

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

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

Black holes in a pair of merging galaxies, known as UGC4211, are devouring gas and dust that is "being displaced by the ...

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 ...

What occurs when the universe plays a cosmic curveball, breaking down long-standing assumptions about how black holes form?

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