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

The pair merged to create a single hole about 225 times the mass of the sun.

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 ...

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 ...

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

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

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

The LIGO Hanford Observatory near the Tri-Cities and its twin in Louisiana detected ripples of time and space passing through ...

Using ripples in space-time predicted by Einstein, researchers detected a cosmic merger of unprecedented proportions. A ...

“It’s the most massive [merger] so far,” says Mark Hannam, a physicist at Cardiff University, UK, and part of the LVK ...