- Biggest black holes built up in busy star clusters after series of violent merging events, research finds EurekAlert!
- How do the biggest black holes in the universe form? Ripples in spacetime provide a clue Space
- Study links biggest black holes to repeated cosmic collisions Courthouse News
- These monster black holes did not form the usual way—their history of violence is written into spacetime ripples Phys.org
- Evidence for a ‘forbidden range’ of black hole masses emerges in gravitational wave observations Physics World
