- Largest black holes formed by violent mergers, rather than collapsing stars Innovation News Network
- These monster black holes did not form the usual way—their history of violence is written into spacetime ripples Phys.org
- 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
- The Universe’s biggest black holes may be forged in violent mergers ScienceDaily