New research uncovers a possible cause for feelings linked to paranormal activity: sound too low to hear that still stresses ...

Scientists have long sought to find logical explanations for alleged hauntings. In 2003, for instance, University of ...

New research suggests that infrasound—low-frequency sound waves below human hearing—may explain why certain places feel haunted. Experiments showed that exposure to infrasound increased irritability, ...

Infrasound—noise below the range of typical human hearing—from power, heating and mechanical systems within buildings can ...

Haunted, spooky feelings may come from odd sound frequencies.

Experiments with infrasound have revealed a potential connection to paranormal experiences such as haunted houses and ...

Very low-frequency sounds, which humans cannot hear but can lead to high stress hormone levels in the body, could be an ...

Infrasound is very low-frequency sound, below 20 Hertz (Hz), which humans typically can't hear. It can come from natural ...

A new study suggests that infrasound, a low-frequency vibration inaudible to the human ear, may be responsible for the ...

Researchers have found that people exposed to infrasound feel more irritated and stressed, even when unaware of its presence.

In 1988, a group of scientists investigated their lab after several unusual incidents and found a sub-perceptual explanation. A new experiment added evidence that sounds we cannot hear may be to blame ...