Mysteriously snuffed out candles, weird sensations and shivers down the spine may not be due to the presence of ghosts in haunted houses but to very low frequency sound that is inaudible to humans.

The audio version of this article is generated by AI-based technology. Mispronunciations can occur. We are working with our partners to continually review and improve the results. The way our bodies ...

Infrasound is too low-frequency for humans to hear. It has been mistaken for ghosts, has been known to cause nausea and headaches in humans, and is used to monitor the testing of nuclear weapons. It’s ...

When I was eight years old, I was on the verge of being eaten. Terrified, I buried myself underneath the blankets, and nervously listened to an unearthly howling directly outside my bedroom window. I ...

University of Sydney provides funding as a member of The Conversation AU. At the centre of claims about wind farms allegedly causing health problems is the infrasound that wind turbines generate as ...