Scintillating discovery: These distant 'baby' black holes seem to be misbehaving — and experts are perplexed

Growing Inventory of Black Holes Offers a Radical Probe of the Cosmos. One black hole is nice, but astrophysicists can do a lot more science with 50. Physicists say they are entering a new era of black hole astronomy, driven by a rapid increase in the number of black holes they are observing.

A map of 25,000 Supermassive Black Holes Across the Universe

Really Small Black Holes Could Be Out There, Devouring Neutron Stars From Within