What Are the Chances Aliens Visited Earth?

Dr. Brian Keating dives into the mystery of UFOs and extraterrestrial life, explaining why he doubts that aliens have ever visited Earth. He says the evidence remains elusive, the probabilities are low, and conspiracies of that scale would be nearly impossible to sustain over decades. Keating adds that our fascination with ambiguity can create a dopamine rush—keeping people chasing the unknown, even without proof.