We Might Have Accidentally Killed the Only Life We Ever Found on Mars Nearly 50 Years Ago
We Might Have Accidentally Killed the Only Life We Ever Found on Mars Nearly 50 Years Ago - JSTOR Daily
https://daily.jstor.org/we-might-have-accidentally-killed-the-only-life-we-ever-found-on-mars/
In one experiment, the Viking landers added water to Martian soil samples. That might have been a very bad idea.