written by patrick pester, on november 24th, 2021

what: “alien organisms could hitch a ride on our spacecraft and contaminate earth, scientists warn” title of article

when: study published november 17th, 2021

who/where: jennifer wadsworth, an astrobiologist at lucerne university of applied sciences and arts in switzerland

interesting fact: nasa has known about the possibility of bringing home alien life and has been studying how to prevent it if it ever is a possibility. 

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