Scientists have come up with three mathematical equations to explain the sound of a cracked knuckle.
The Pentagon has been working on a new non-lethal weapon that can make people hear voices and sounds.
Scientists may have found an alternative explanation for the strange sounds heard by diplomats in Havana.
An acoustic tractor beam could make it possible to levitate large objects within the not-too-distant future.
This amazing footage of Gun Lake in Canada reveals the cacophony of strange sounds made by the ice.
Our planet is making a continuous low humming sound and nobody is quite sure what is causing it.
An animated GIF of a jumping pylon seems to create the illusion of sound even when there is none.
The deafening sounds, which have been heard in dozens of locations this year, remain unexplained.
The space agency has put together a compilation of spooky audio clips from its robotic space missions.
A clip of the high-pitched sound that US diplomats have been hearing in Cuba has been uploaded online.
Scientists may have finally solved the mystery of the unexplained hissing sound associated with meteors.
Plymouth resident Joao Caetano managed to make a recording of the eerie sound on his mobile phone
Scientists have identified a form of synaesthesia that may affect more than one fifth of the population.
A mysterious metallic sound recorded by researchers could actually be a never-before-heard whale call.
Scientists at Princeton University have simulated what an English-speaking macaque would sound like.
The futuristic-sounding device is designed to combat the threat posed by cheap unmanned aerial drones.
A surveillance plane has been looking in to reports of a 'pinging' sound in the Fury and Hecla Strait.
The promising technology enables a three-dimensional image to be suspended in mid-air using sound waves.
Contrary to popular belief, the dinosaurs probably did not make loud roaring noises like in the movies.
Sound technician Tom Peters likes nothing more than to dress up in a latex costume and act like a dog.