Dr. Sara Seager, one of the world’s leading astrophysicists and a pioneer in the study of exoplanets at MIT, breaks down the real science behind the search for alien life. From Venus to far-off worlds, she explains how scientists are actively searching for biosignatures right now, and how close we may be to detecting life on exoplanets. This conversation moves beyond science fiction into one of humanity’s biggest unanswered questions: are we alone, or on the verge of proof?