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

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Some people occasionally hear a low buzzing or humming sound that doesn't have a clear source. An estimated 2–4% of the world's population hear this. Scientists have been trying to figure out for ...

(Jun/Getty Images Plus) For decades, some people around the world have reported hearing a strange, sonorous background tone that others could not. Named 'The Hum', the phenomenon regularly appears on ...

All around you are sounds, right? You might be reading this on a laptop with a whirring fan, or on your phone on a rattling subway, or even at home, with music or the air-conditioner on, adding a thin ...

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 ...

Add Yahoo as a preferred source to see more of our stories on Google. (BBC/Element Pictures/Des Willie) BBC One drama The Listeners stars Rebecca Hall as a teacher pushed to the brink of mental ...