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

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

One of the black holes was about 103 times the mass of the sun. The other was about 137 times it. These large black holes may have been formed by even earlier mergers, Professor Mark Hannam, from ...