Since the early 1990s, residents in and around Taos, New Mexico, have reported hearing a persistent low-frequency sound with no visible or measurable source. The sound is described as external, ...

Residents of the Scottish Isle of Lewis in the Hebrides are claiming to hear a strange humming noise. No one knows where it’s coming from—or if it’s even real. Nevertheless, some hum-hearers claim ...

The hum began sometime during a small U.K. village’s COVID-19 lockdown. Years later, it still hasn’t stopped. Some residents of Holmfield say the noise never goes away, according to discussion on a ...