Gravitational wave detectors on Earth have heard the "cry" of two newborn black holes with some unusual and remarkable properties.

Scientists hear 2 newborn black holes 'crying' through ripples in spacetime — and one had a birth unlike anything seen before

Source: space
Source Link: https://www.space.com/astronomy/black-holes/scientists-hear-2-newborn-black-holes-crying-through-ripples-in-spacetime-and-one-had-a-birth-unlike-anything-seen-before