A Mysterious Hum Has Plagued the Earth for 50 Years. Scientists May Have Finally Found Its Source.

Since the 1970s, people across the world have reported hearing an inexplicable low-frequency droning. Scientists now think ...
Hosted on MSN

The Listeners ending explained: What was the hum in the unsettling BBC drama?

If you've seen all four episodes of The Listeners, you might still have questions about the origin of the hum and exactly what happened in the closing moments of the show. For those wondering if BBC ...
UNILAD

Scientists finally think they know the cause of mysterious 'hum' sound heard by people across the globe

It first became a talking point in the 1970s after residents of one UK city started reporting the same strange noise ...
Yahoo

Exploration Mysteries: The Hum and Other Unexplained Sounds

Seeing is believing, but what about hearing? Since the 1970s, a small percentage of people all over the world have detected a mysterious sound just on the edge of their auditory range. Some folks ...