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

Supermassive black holes spiral towards each other in this simulation created by NASA's Goddard Space Flight Center that ...

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

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

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 ...

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

To date, the collaboration has detected dozens of merger events since its first Nobel Prize-winning discovery. Early detected ...

The largest merger of two black holes ever recorded has been detected by astronomers. The collision of the pair, each more ...

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 most massive black hole merger ever observed, challenging stellar evolution and black hole ...

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