NOVA PBS Official Sep 16, 2020 The gas phosphine, made on Earth by microbial life forms, was found in Venus’ atmosphere. Could this mean there’s life in our planetary neighbor’s clouds? Get the inside story from scientists Sara Seager and Clara Sousa-Silva on how the discovery was made, what it means, and what comes next. Produced by: Caitlin Saks and Arlo Pérez Narrated by: Caitlin Saks Edited by: Arlo Pérez Research and Production: Christina Monnen, Angelica Coleman, Ana Aceves, Daryl Choa, Lorena Lyon, David Condon, Sukee Bennett Archive: MrCrazy NASA’s Goddard Space Flight Center NASA/JPL/Caltech Pond5 Videoblocks ESO, ALMA (ESO/NAOJ/NRAO), C. Malin (christophmalin.com), P. Horálek, Liam Young, B. Tafreshi (twanight.org), J.J. Tobin (University of Oklahoma/Leiden University), M. Kaufman, Theofanis N. Matsopoulos, H.H.Heyer, S. Argandoña and H. Zodet. © 2020 WGBH Educational Foundation