The Taos Hum is a mysterious low-frequency sound reported by some residents of Taos, New Mexico. Often compared to a distant diesel engine or mechanical drone, the noise can seem constant to those known as “hearers”—even while someone standing beside them detects nothing at all. Despite years of investigation, researchers have never identified one source that explains every report.

This episode of the Macabre Mondays Podcast examines the scientific research into the Taos Hum and the possible explanations behind it. Theories range from machinery and unusual hearing phenomena to secret military technology, underground bases, and extraterrestrials. We separate what investigators have learned from the stranger mythology surrounding one of New Mexico’s most enduring unexplained mysteries.