Record haul of 35 gravitational waves provides insight into how universe formed: astronomers

Black hole bonanza: Astronomers discover 32 collisions and one mystery merger | Gravitational wave detectors reveal truckload of black holes that smashed into each other in deep space.

Astronomers Detect a 'Tsunami' of Gravitational Waves. Here's Where They're Coming From

Physicists Say Black Holes Are Gaining Mass as the Universe Grows