Since the 1970s, people across the world have reported hearing an inexplicable low-frequency droning. Scientists now think they know what it is.

The mysterious sound known as The Hum has been reported worldwide for decades, yet its source often remains impossible to ...

A new study points to low-frequency tinnitus as a likely factor behind the long-running global Hum mystery, but it may not explain every case.

A mysterious, low-frequency noise has settled over the small town of Omagh in Northern Ireland, and is keeping people awake. It’s called “The Hum,” and reports of this phenomenon have been popping up ...

A persistent, low-frequency hum has invaded the city of West Haven, Connecticut, according to many residents, leaving some shaken by an occurrence they’re calling everything from mysterious to ...

A new study proves low-frequency infrasound hijacks inner ear support cells to create unique physical hum sensations.

"Hearst Magazines and AOL may earn commission or revenue on some items through these links." In the early 1970s, the town of Bristol, U.K., was plagued by a low, persistent hum. It typically occurred ...