Earlier this month scientists announced they had detected phosphine above Venus. The compound can be associated with life. This story features a new study, co-authored by Professor Rakesh Mogul, that examined data from a 1978 NASA probe and found evidence that also suggested the presence of phosphine. The study was also the subject of a recent story in Live Science, “Did NASA detect a hint of life on Mars in 1978 and not realize it?”
This article was originally published by Scientific American on October 1, 2020.