https://apnews.com/7a3fbbdff910581a62191050b8d3d66b > Black holes are getting stranger — even to astronomers. They've now detected the signal from a long ago violent collision of two black holes that created a new one of a size that had never been seen before. > “It’s the biggest bang since the Big Bang observed by humanity,” said Caltech physicist Alan Weinstein, who was part of the discovery team.