A recent study found that exposure to extremely low frequency sounds, which humans generally cannot hear, tends to increase ...

Fact checked by Jennifer Klump Infrasound is a low-frequency sound so low-pitched that it’s usually inaudible. There are ...

The science of acoustic fire suppression, which has long been known and documented in scientific literature and the press, works by vibrating oxygen molecules away from a fuel source, depriving the ...

Infrasound, or audio with a frequency lower than 20 hertz, is all around you, but usually humans are incapable of hearing it.

A new study finds that inaudible sound waves called infrasound may cause people to experience a creepy, haunted feeling. Research subjects exposed to infrasound had higher levels of the stress hormone ...

Low-frequency noises that humans can feel, but not hear, may be behind the spooky feeling of old houses—and serve as a warning to animals.

The next time you walk into a purportedly “haunted” house and sense a ghostly presence, consider that those feelings might be due to vibrating pipes, mechanical or climate control systems, rumbling ...

High-resolution data collected across the United States show negligible evidence of adverse health outcomes tied to wind turbine exposure, a study finds. Despite helping to reduce greenhouse gas ...

Wit Aniwat, whose family runs an elephant camp for tourists in Thailand, was awakened by an unusual alarm clock: the trumpeting and wailing of elephants. It was a bit out of the ordinary, but Wit ...