A collision observed between two black holes, each more massive than a hundred suns, is the largest merger of its kind ever recorded, according to new research.

As NASA reports, two astronomers working with raw Webb data the space agency periodically makes available to researchers, have found evidence of a fast-growing black hole in an unexpected place and formed in an unexpected way.

A U.S. gravitational wave detector spotted a collision between fast-spinning “forbidden” black holes that challenge physics models