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

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

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

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

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

A short-lived ripple in space-time revealed that two black holes merged into a giant black hole with the mass of 225 suns ...

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

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

The Laser Interferometer Gravitational-Wave Observatory (LIGO)'s LIGO-Virgo-KAGRA (LVK) collaboration has detected an ...

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