The Black Substance - Prometheus: This page collects theories about the Black Goo. read more
Chemical A0-3959X.91 – 15, also known as Agent A0-3959X.91 – 15 and referred to colloquially as the"black goo" or"black liquid", is an extremely potent and virulent mutagenic pathogen, composed of millions of small micro-organisms, that was manufactured by the Engineers as a biological weapon, presumably for military purposes. read more