

Life in Our Universe
The Fermi Paradox—Where Is Everyone?
S1 • E20 May 19, 2012 32m
After 50 years of SETI, we have zero hard evidence of alien civilizations, "cosmic wanderlust" resulting in Earth visitations, or UFOs being extraterrestrial in nature, despite—or perhaps because of—the expansiveness of the galaxy. Speculate on reasons for, and solutions to, this so-called Fermi Paradox.