Mystery hum ‘like a huge engine idling’ heard across US – and Americans think they know what’s to blame

A MYSTERIOUS hum has been heard across several US states, rattling locals who have been struggling to sleep. Residents have ...
Popular Mechanics

A Ghostly Nighttime Hum Is Invading Random Towns. Scientists Don't Know What It Means.

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 ...
Gizmodo

A Strange, Unexplained Hum Is Keeping a Scottish Isle Awake at Night

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 ...
UPI

Mysterious humming noise keeping Northern Ireland city awake at night

Nov. 15 (UPI) --A mysterious humming sound has been keeping residents of a Northern Ireland city awake at night, and officials said they have yet to determine its source. The sound, described as a ...
The New York Times

A Phantom Humming Has a Connecticut City at Wits’ End

West Haven, Conn., has budgeted $16,000 for an acoustics expert to try to pinpoint the source of a low-frequency disturbance that has disrupted residents’ lives. By Neil Vigdor Neil Vigdor reported ...