AUTHOR=Olsson-Francis Karen , Billi Daniela , Teske Andreas , de Vera Jean-Pierre P. TITLE=Editorial: Habitability Beyond Earth JOURNAL=Frontiers in Microbiology VOLUME=9 YEAR=2018 URL=https://www.frontiersin.org/journals/microbiology/articles/10.3389/fmicb.2018.02645 DOI=10.3389/fmicb.2018.02645 ISSN=1664-302X