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

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

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

Though our solar system and the movement of its planets appear relatively sedate, there are many things that could upset the ...

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

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

It was a bump in the night. A big one.On Nov. 23, 2023, waves from a colossal merger of two black holes reached Earth and ...

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

Named GW 231123 after the date it was recorded on 23 November 2023, it's the most massive black hole collision we've seen yet, resulting in an object heavier than 225 Suns. Previously, the most ...

The biggest black hole merger yet observed could confirm a rare class of black holes long thought to be missing from the universe.

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

The Laser Interferometer Gravitational-wave Observatory (LIGO) is no stranger to making history and breaking records. In 2015 ...