
Shermer and Frank discuss: origin of Life • Drake Equation • Fermi’s Paradox • UFOs and UAPs • Projects Sign, Blue Book, Cyclops, Grudge • AATIP (Advanced Aerospace Threat Identification Program) • Alien Autopsy film • SETI & METI • technosignatures & biosignatures • aliens: biological or AI? • convergent vs. contingent evolution • interstellar travel • Dyson spheres, rings, and swarms • Kardashev scale of civilizations • aliens as gods and the search as religion • why aliens matter.