"Active galactic nuclei (AGNs) --- powered by supermassive black holes at the centers of most young galaxies --- may have put the quash on life’s evolution, says one new study."

Read More: https://www.forbes.com/sites/brucedorminey/2018/09/28/active-supermassive-black-holes-may-have-quashed-lifes-emergence/#459733d52d8e