Jennifer C Stern¹, Heather Graham², Bradley Burcar³, Emily S Martin⁴, Aaron C Noell⁵, Kevin P Hand⁶, Jeff Shovlowsky Bowman⁷, Peter T Doran⁸, Virginia P Edgcomb⁹, James F Holden¹⁰, Alta Emily Howells¹¹, Michael Malaska¹², Jill Mikucki¹³, Brook L Nunn¹⁴, Jani Radebaugh¹⁵, Laura E Rodriguez¹², Schuyler Borges¹⁶, Dina M Bower¹⁷, Samuel W Courville¹⁸, Melisa Diaz¹⁹, Benjamin J Hockman²⁰, Julie A Huber²¹, Justin Lawrence²², Trista Vick-Majors²³, Conor A Nixon²⁴, John R Spear²⁵, Amanda Steckel²⁶, Anezina Solomonidou²⁷, Nicholas C Schmerr²⁸, Britney Schmidt²⁹, Matthew O Schrenk³⁰, Lauren Marie Seyler³¹, Amy Renee Smith³², Catherine C Walker³³, Patrick Whelley³⁴, Natalie Soheila Wolfenbarger³⁵ and Steven D. Vance¹², (1)NASA Goddard Space Flight Center, Solar System Exploration Division, Greenbelt, United States, (2)NASA Goddard Space Flight Center, Solar System Exploration Division, Greenbelt, MD, United States, (3)NASA Headquarters, Washington, United States, (4)Smithsonian National Air and Space Museum, Washington, DC, United States, (5)NASA Jet Propulsion Laboratory, Pasadena, United States, (6)Jet Propulsion Laboratory, Pasadena, United States, (7)Scripps Institution of Oceanography, La Jolla, United States, (8)Louisiana State University, Baton Rouge, United States, (9)Woods Hole Oceanographic Institution, Geology and Geophysics Department, Woods Hole, United States, (10)University of Massachusetts Amherst, Microbiology, Amherst, MA, United States, (11)NASA Ames Research Center, Moffett Field, United States, (12)NASA Jet Propulsion Laboratory, California Institute of Technology, Pasadena, United States, (13)University of Tennessee, Department of Microbiology, Knoxville, United States, (14)University of Washington Seattle Campus, Genome Sciences, Seattle, United States, (15)Brigham Young University, Provo, UT, United States, (16)Northern Arizona University, Flagstaff, United States, (17)University of Maryland, College Park/NASA Goddard Space Flight Center, Department of Astronomy, Greenbelt, United States, (18)Arizona State University, Tempe, United States, (19)The Ohio State Univeristy, Columbus, United States, (20)Jet Propulsion Laboratory, California Institute of Technology, Pasadena, United States, (21)Woods Hole Oceanographic Institution, Marine Chemistry and Geochemistry, Woods Hole, United States, (22)Honeybee Robotics, Altadena, United States, (23)Michigan Technological University, Biological Sciences, Houghton, MI, United States, (24)NASA Goddard Space Flight Center, Planetary Systems Laboratory, Greenbelt, MD, United States, (25)Colorado School of Mines, Civil and Environmental Engineering, Golden, CO, United States, (26)University of Colorado Boulder, Boulder, United States, (27)Hellenic Space Center (HSC), Space Sciences and Space Exploration, Athens, Greece, (28)University of Maryland, Department of Geology, College Park, United States, (29)Cornell University, Astronomy and Earth & Atmospheric Sciences, Ithaca, United States, (30)Michigan State University, Department of Earth and Environmental Sciences, Department of Microbiology, Genetics, and Immunology, East Lansing, MI, United States, (31)Stockton University, Galloway, United States, (32)Bard College at Simon's Rock, Great Barrington, MA, United States, (33)Georgia Institute of Technology Main Campus, Atlanta, United States, (34)NASA Goddard Space Flight Center, Greenbelt, United States, (35)Los Alamos National Laboratory, Los Alamos, United States