In the first half, astrophysicist and NPR commentator Adam Frank shared his latest research on the existence and trajectories of alien civilizations and what they may teach us about our own. He marveled at how close science is to finding meaningful data on alien worlds, and life elsewhere in the universe. Frank does not consider the evidence of UFO visitations and sightings on our planet to be the kind of hard, verifiable, and reproducible data that scientists are looking for to make conclusions about extraterrestrial life. Going beyond the SETI program… Lees meer