Researchers from Cardiff University and MIT just published a paper in Nature in which they claim to have found phosphine, a possible biosignature, in the clouds of Venus' atmosphere. Join David Grinspoon, astrobiologist at the Planetary Science Institute who serves on the SETI Institute's Science Advisory Board, and Nathalie Cabrol, Director of the Carl Sagan Center at the SETI Institute, in a discussion about the possibility of life on Venus.