A new study suggests that infrasound—low-frequency sound below human hearing—can raise stress hormone levels and alter mood, potentially explaining some 'haunted' sensations in old buildings.

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

Hz infrasound, though inaudible, spikes cortisol and triggers irritability, explaining "supernatural" feelings in old buildings.

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

Can infrasound and ultrasound damage the human body? Yes. Has sound been used as a real-world weapon? Yes. Is sound being deployed by America's enemies to cause serious physical harm? Yes. Let's find ...

Brian House’s new album, "Everyday Infrasound in an Uncertain World," features recordings of atmospheric infrasound made with custom-built macrophones. The natural world is filled with sound beyond ...