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

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

The Trump administration has proposed closing either the LIGO Hanford observatory in WA or its twin in Louisiana.

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

A U.S. gravitational wave detector spotted a collision between fast-spinning “forbidden” black holes that challenge physics ...

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

Scientists have detected the most massive black hole merger spotted so far. The event is at the limits of the capabilities of ...

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

A new method to analyze gravitational-wave data could transform how we study some of the universe's most extreme events—black ...